changeset 4274:4ed7c877a463

7042550: Reintegrate 6569621 Reviewed-by: chegar, alanb
author michaelm
date Mon, 30 May 2011 23:36:10 +0100
parents b49a0af85821
children c79a089ae13b
files src/share/classes/java/net/InetAddress.java src/share/classes/java/net/Socket.java src/share/classes/java/net/SocketPermission.java src/share/classes/sun/net/RegisteredDomain.java src/share/classes/sun/net/www/URLConnection.java src/share/classes/sun/net/www/http/HttpClient.java
diffstat 6 files changed, 1119 insertions(+), 42 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/classes/java/net/InetAddress.java	Mon May 30 16:37:42 2011 +0100
+++ b/src/share/classes/java/net/InetAddress.java	Mon May 30 23:36:10 2011 +0100
@@ -1013,6 +1013,12 @@
         return InetAddress.getAllByName(host)[0];
     }
 
+    // called from deployment cache manager
+    private static InetAddress getByName(String host, InetAddress reqAddr)
+        throws UnknownHostException {
+        return InetAddress.getAllByName(host, reqAddr)[0];
+    }
+
     /**
      * Given the name of a host, returns an array of its IP addresses,
      * based on the configured name service on the system.
@@ -1054,6 +1060,11 @@
      */
     public static InetAddress[] getAllByName(String host)
         throws UnknownHostException {
+        return getAllByName(host, null);
+    }
+
+    private static InetAddress[] getAllByName(String host, InetAddress reqAddr)
+        throws UnknownHostException {
 
         if (host == null || host.length() == 0) {
             InetAddress[] ret = new InetAddress[1];
@@ -1113,7 +1124,7 @@
                 // We were expecting an IPv6 Litteral, but got something else
                 throw new UnknownHostException("["+host+"]");
             }
-        return getAllByName0(host);
+        return getAllByName0(host, reqAddr, true);
     }
 
     /**
@@ -1174,6 +1185,12 @@
      */
     static InetAddress[] getAllByName0 (String host, boolean check)
         throws UnknownHostException  {
+        return getAllByName0 (host, null, check);
+    }
+
+    private static InetAddress[] getAllByName0 (String host, InetAddress reqAddr, boolean check)
+        throws UnknownHostException  {
+
         /* If it gets here it is presumed to be a hostname */
         /* Cache.get can return: null, unknownAddress, or InetAddress[] */
 
@@ -1191,7 +1208,7 @@
 
         /* If no entry in cache, then do the host lookup */
         if (addresses == null) {
-            addresses = getAddressesFromNameService(host);
+            addresses = getAddressesFromNameService(host, reqAddr);
         }
 
         if (addresses == unknown_array)
@@ -1200,7 +1217,7 @@
         return addresses.clone();
     }
 
-    private static InetAddress[] getAddressesFromNameService(String host)
+    private static InetAddress[] getAddressesFromNameService(String host, InetAddress reqAddr)
         throws UnknownHostException
     {
         InetAddress[] addresses = null;
@@ -1256,10 +1273,32 @@
                     }
                 }
 
-                // Cache the addresses.
+                // More to do?
+                if (reqAddr != null && addresses.length > 1 && !addresses[0].equals(reqAddr)) {
+                    // Find it?
+                    int i = 1;
+                    for (; i < addresses.length; i++) {
+                        if (addresses[i].equals(reqAddr)) {
+                            break;
+                        }
+                    }
+                    // Rotate
+                    if (i < addresses.length) {
+                        InetAddress tmp, tmp2 = reqAddr;
+                        for (int j = 0; j < i; j++) {
+                            tmp = addresses[j];
+                            addresses[j] = tmp2;
+                            tmp2 = tmp;
+                        }
+                        addresses[i] = tmp2;
+                    }
+                }
+                // Cache the address.
                 cacheAddresses(host, addresses, success);
+
                 if (!success && ex != null)
                     throw ex;
+
             } finally {
                 // Delete host from the lookupTable and notify
                 // all threads waiting on the lookupTable monitor.
@@ -1393,7 +1432,7 @@
                     InetAddress[] localAddrs;
                     try {
                         localAddrs =
-                            InetAddress.getAddressesFromNameService(local);
+                            InetAddress.getAddressesFromNameService(local, null);
                     } catch (UnknownHostException uhe) {
                         // Rethrow with a more informative error message.
                         UnknownHostException uhe2 =
--- a/src/share/classes/java/net/Socket.java	Mon May 30 16:37:42 2011 +0100
+++ b/src/share/classes/java/net/Socket.java	Mon May 30 23:36:10 2011 +0100
@@ -127,11 +127,12 @@
             }
             if (security != null) {
                 if (epoint.isUnresolved())
-                    security.checkConnect(epoint.getHostName(),
-                                          epoint.getPort());
+                    epoint = new InetSocketAddress(epoint.getHostName(), epoint.getPort());
+                if (epoint.isUnresolved())
+                    security.checkConnect(epoint.getHostName(), epoint.getPort());
                 else
                     security.checkConnect(epoint.getAddress().getHostAddress(),
-                                          epoint.getPort());
+                                  epoint.getPort());
             }
             impl = new SocksSocketImpl(p);
             impl.setSocket(this);
--- a/src/share/classes/java/net/SocketPermission.java	Mon May 30 16:37:42 2011 +0100
+++ b/src/share/classes/java/net/SocketPermission.java	Mon May 30 23:36:10 2011 +0100
@@ -40,7 +40,9 @@
 import java.io.ObjectInputStream;
 import java.io.IOException;
 import sun.net.util.IPAddressUtil;
+import sun.net.RegisteredDomain;
 import sun.security.util.SecurityConstants;
+import sun.security.util.Debug;
 
 
 /**
@@ -211,13 +213,32 @@
     // port range on host
     private transient int[] portrange;
 
-    // true if the trustProxy system property is set
-    private static boolean trustProxy;
+    private transient boolean defaultDeny = false;
+
+    // true if this SocketPermission represents a hostname
+    // that failed our reverse mapping heuristic test
+    private transient boolean untrusted;
+    private transient boolean trusted;
+
+    // true if the sun.net.trustNameService system property is set
+    private static boolean trustNameService;
+
+    private static Debug debug = null;
+    private static boolean debugInit = false;
 
     static {
         Boolean tmp = java.security.AccessController.doPrivileged(
-                new sun.security.action.GetBooleanAction("trustProxy"));
-        trustProxy = tmp.booleanValue();
+                new sun.security.action.GetBooleanAction("sun.net.trustNameService"));
+        trustNameService = tmp.booleanValue();
+    }
+
+    private static synchronized Debug getDebug()
+    {
+        if (!debugInit) {
+            debug = Debug.getInstance("access");
+            debugInit = true;
+        }
+        return debug;
     }
 
     /**
@@ -263,6 +284,10 @@
         init(getName(), mask);
     }
 
+    private void setDeny() {
+        defaultDeny = true;
+    }
+
     private static String getHost(String host)
     {
         if (host.equals("")) {
@@ -560,6 +585,37 @@
         return mask;
     }
 
+    private boolean isUntrusted()
+        throws UnknownHostException
+    {
+        if (trusted) return false;
+        if (invalid || untrusted) return true;
+        try {
+            if (!trustNameService && (defaultDeny ||
+                sun.net.www.URLConnection.isProxiedHost(hostname))) {
+                if (this.cname == null) {
+                    this.getCanonName();
+                }
+                if (!match(cname, hostname)) {
+                    // Last chance
+                    if (!authorized(hostname, addresses[0].getAddress())) {
+                        untrusted = true;
+                        Debug debug = getDebug();
+                        if (debug != null && Debug.isOn("failure")) {
+                            debug.println("socket access restriction: proxied host " + "(" + addresses[0] + ")" + " does not match " + cname + " from reverse lookup");
+                        }
+                        return true;
+                    }
+                }
+                trusted = true;
+            }
+        } catch (UnknownHostException uhe) {
+            invalid = true;
+            throw uhe;
+        }
+        return false;
+    }
+
     /**
      * attempt to get the fully qualified domain name
      *
@@ -567,7 +623,7 @@
     void getCanonName()
         throws UnknownHostException
     {
-        if (cname != null || invalid) return;
+        if (cname != null || invalid || untrusted) return;
 
         // attempt to get the canonical name
 
@@ -593,6 +649,96 @@
         }
     }
 
+    private transient String cdomain, hdomain;
+
+    private boolean match(String cname, String hname) {
+        String a = cname.toLowerCase();
+        String b = hname.toLowerCase();
+        if (a.startsWith(b)  &&
+            ((a.length() == b.length()) || (a.charAt(b.length()) == '.')))
+            return true;
+        if (cdomain == null) {
+            cdomain = RegisteredDomain.getRegisteredDomain(a);
+        }
+        if (hdomain == null) {
+            hdomain = RegisteredDomain.getRegisteredDomain(b);
+        }
+
+        return cdomain.length() != 0 && hdomain.length() != 0
+                        && cdomain.equals(hdomain);
+    }
+
+    private boolean authorized(String cname, byte[] addr) {
+        if (addr.length == 4)
+            return authorizedIPv4(cname, addr);
+        else if (addr.length == 16)
+            return authorizedIPv6(cname, addr);
+        else
+            return false;
+    }
+
+    private boolean authorizedIPv4(String cname, byte[] addr) {
+            String authHost = "";
+            InetAddress auth;
+
+        try {
+            authHost = "auth." +
+                        (addr[3] & 0xff) + "." + (addr[2] & 0xff) + "." +
+                        (addr[1] & 0xff) + "." + (addr[0] & 0xff) +
+                        ".in-addr.arpa";
+            // Following check seems unnecessary
+            // auth = InetAddress.getAllByName0(authHost, false)[0];
+            authHost = hostname + '.' + authHost;
+            auth = InetAddress.getAllByName0(authHost, false)[0];
+            if (auth.equals(InetAddress.getByAddress(addr))) {
+                return true;
+            }
+            Debug debug = getDebug();
+            if (debug != null && Debug.isOn("failure")) {
+                debug.println("socket access restriction: IP address of " + auth + " != " + InetAddress.getByAddress(addr));
+            }
+        } catch (UnknownHostException uhe) {
+            Debug debug = getDebug();
+            if (debug != null && Debug.isOn("failure")) {
+                debug.println("socket access restriction: forward lookup failed for " + authHost);
+            }
+        }
+        return false;
+    }
+
+    private boolean authorizedIPv6(String cname, byte[] addr) {
+            String authHost = "";
+            InetAddress auth;
+
+        try {
+            StringBuffer sb = new StringBuffer(39);
+
+            for (int i = 15; i >= 0; i--) {
+                sb.append(Integer.toHexString(((addr[i]) & 0x0f)));
+                sb.append('.');
+                sb.append(Integer.toHexString(((addr[i] >> 4) & 0x0f)));
+                sb.append('.');
+            }
+            authHost = "auth." + sb.toString() + "IP6.ARPA";
+            //auth = InetAddress.getAllByName0(authHost, false)[0];
+            authHost = hostname + '.' + authHost;
+            auth = InetAddress.getAllByName0(authHost, false)[0];
+            if (auth.equals(InetAddress.getByAddress(addr)))
+                return true;
+            Debug debug = getDebug();
+            if (debug != null && Debug.isOn("failure")) {
+                debug.println("socket access restriction: IP address of " + auth + " != " + InetAddress.getByAddress(addr));
+            }
+        } catch (UnknownHostException uhe) {
+            Debug debug = getDebug();
+            if (debug != null && Debug.isOn("failure")) {
+                debug.println("socket access restriction: forward lookup failed for " + authHost);
+            }
+        }
+        return false;
+    }
+
+
     /**
      * get IP addresses. Sets invalid to true if we can't get them.
      *
@@ -720,12 +866,7 @@
 
         // return if either one of these NetPerm objects are invalid...
         if (this.invalid || that.invalid) {
-            return (trustProxy ? inProxyWeTrust(that) : false);
-        }
-
-
-        if (this.getName().equalsIgnoreCase(that.getName())) {
-            return true;
+            return compareHostnames(that);
         }
 
         try {
@@ -778,28 +919,29 @@
                 that.getIP();
             }
 
-            for (j = 0; j < this.addresses.length; j++) {
-                for (i=0; i < that.addresses.length; i++) {
-                    if (this.addresses[j].equals(that.addresses[i]))
-                        return true;
+            if (!(that.init_with_ip && this.isUntrusted())) {
+                for (j = 0; j < this.addresses.length; j++) {
+                    for (i=0; i < that.addresses.length; i++) {
+                        if (this.addresses[j].equals(that.addresses[i]))
+                            return true;
+                    }
                 }
+
+                // XXX: if all else fails, compare hostnames?
+                // Do we really want this?
+                if (this.cname == null) {
+                    this.getCanonName();
+                }
+
+                if (that.cname == null) {
+                    that.getCanonName();
+                }
+
+                return (this.cname.equalsIgnoreCase(that.cname));
             }
 
-            // XXX: if all else fails, compare hostnames?
-            // Do we really want this?
-            if (this.cname == null) {
-                this.getCanonName();
-            }
-
-            if (that.cname == null) {
-                that.getCanonName();
-            }
-
-            return (this.cname.equalsIgnoreCase(that.cname));
-
         } catch (UnknownHostException uhe) {
-            if (trustProxy)
-                return inProxyWeTrust(that);
+            return compareHostnames(that);
         }
 
         // make sure the first thing that is done here is to return
@@ -808,9 +950,8 @@
         return false;
     }
 
-    private boolean inProxyWeTrust(SocketPermission that) {
-        // if we trust the proxy, we see if the original names/IPs passed
-        // in were equal.
+    private boolean compareHostnames(SocketPermission that) {
+        // we see if the original names/IPs passed in were equal.
 
         String thisHost = hostname;
         String thatHost = that.hostname;
@@ -819,8 +960,8 @@
             return false;
         else
             return thisHost.equalsIgnoreCase(thatHost);
+    }
 
-    }
     /**
      * Checks two SocketPermission objects for equality.
      * <P>
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/classes/sun/net/RegisteredDomain.java	Mon May 30 23:36:10 2011 +0100
@@ -0,0 +1,879 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package sun.net;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/*
+ * The naming tables listed below were gathered from publicly available data such as
+ * the subdomain registration websites listed for each top-level domain by the Internet
+ * Assigned Numbers Authority and the website of the Internet Corporation for Assigned Names
+ * and Numbers as well as Wikipedia.
+ */
+
+public class RegisteredDomain {
+
+// XX.AA
+private static Set<String> top1Set = new HashSet<String>(Arrays.asList("asia", "biz", "cat", "coop",
+        "edu", "info", "gov", "jobs", "travel", "am", "aq", "ax", "cc", "cf", "cg", "ch", "cv", "cz",
+        "de", "dj", "dk", "fm", "fo", "ga", "gd", "gf", "gl", "gm", "gq", "gs", "gw", "hm",
+        "li", "lu", "md", "mh", "mil", "mobi", "mq", "ms", "ms", "ne", "nl", "nu", "si",
+        "sm", "sr", "su", "tc", "td", "tf", "tg", "tk", "tm", "tv", "va", "vg",
+        /* ae */ "xn--mgbaam7a8h",      /* cn s */      "xn--fiqs8s",        /* cn t */ "xn--fiqz9s",
+        /* eg */ "xn--wgbh1c",          /* hk */        "xn--j6w193g",       /* jo */   "xn--mgbayh7gpa",
+        /* lk */ "xn--fzc2c9e2c",       /* ps */        "xn--ygbi2ammx",     /* ru */   "xn--p1ai",
+        /* qa */ "xn--wgbl6a",          /* sa */        "xn--mgberp4a5d4ar", /* sg */   "xn--yfro4i67o",
+        /* th */ "xn--o3cw4h",          /* tn */        "xn--pgbs0dh",       /* tw s */ "xn--kpry57d",
+        /* tw */ "xn--kprw13d",         /* sg tamil */  "xn--clchc0ea0b2g2a9gcd"));
+
+// common pattern: XX.AA or XX.GOV.AA
+private static Set<String> top2Set = new HashSet<String>(Arrays.asList("as", "bf", "cd", "cx",
+        "ie", "lt", "mr", "tl"));
+
+// common pattern: XX.AA or XX.COM.AA or XX.EDU.AA or XX.NET.AA or XX.ORG.AA or XX.GOV.AA
+private static Set<String> top4Set = new HashSet<String>(Arrays.asList("af", "bm", "bs", "bt",
+        "bz", "dm", "ky", "lb", "lr", "mo", "sc", "sl", "ws"));
+
+// AA or less than 3 other XX.BB.AA possible matches
+private static Set<String> top3Set = new HashSet<String>(Arrays.asList("ad", "aw", "be", "bw",
+        "cl", "fi", "int", "io", "mc"));
+
+// AA.UK exceptions
+private static Set<String> ukSet = new HashSet<String>(Arrays.asList( "bl", "british-library",
+        "jet", "nhs", "nls", "parliament", "mod", "police"));
+
+// AA.AR exceptions
+private static Set<String> arSet = new HashSet<String>(Arrays.asList( "argentina", "educ",
+        "gobiernoelectronico", "nic", "promocion", "retina", "uba"));
+
+// AA.OM exceptions
+private static Set<String> omSet = new HashSet<String>(Arrays.asList("mediaphone", "nawrastelecom",
+        "nawras", "omanmobile", "omanpost", "omantel", "rakpetroleum", "siemens", "songfest",
+        "statecouncil", "shura", "peie", "omran", "omnic", "omanet", "oman", "muriya", "kom"));
+
+// any XX.BB.AA
+private static Set<String> top5Set = new HashSet<String>(Arrays.asList("au", "arpa", "bd", "bn", "ck",
+         "cy", "er", "et", "fj", "fk", "gt", "gu", "il", "jm", "ke", "kh", "kw",
+         "mm", "mt", "mz", "ni", "np", "nz", "pg", "sb", "sv", "tz", "uy", "ve", "ye",
+         "za", "zm", "zw"));
+
+// XX.CC.BB.JP
+private static Set<String> jpSet = new HashSet<String>(Arrays.asList("aichi", "akita", "aomori",
+        "chiba", "ehime", "fukui", "fukuoka", "fukushima", "gifu", "gunma", "hiroshima", "hokkaido",
+        "hyogo", "ibaraki", "ishikawa", "iwate", "kagawa", "kagoshima", "kanagawa", "kawasaki",
+        "kitakyushu", "kobe", "kochi", "kumamoto", "kyoto", "mie", "miyagi", "miyazaki", "nagano",
+        "nagasaki", "nagoya", "nara", "niigata", "oita", "okayama", "okinawa", "osaka", "saga",
+        "saitama", "sapporo", "sendai", "shiga", "shimane", "shizuoka", "tochigi", "tokushima",
+        "tokyo", "tottori", "toyama", "wakayama", "yamagata", "yamaguchi", "yamanashi", "yokohama"));
+
+// CC.BB.JP exceptions
+private static Set<String> jp2Set = new HashSet<String>(Arrays.asList("metro.tokyo.jp",
+        "pref.aichi.jp", "pref.akita.jp", "pref.aomori.jp", "pref.chiba.jp", "pref.ehime.jp",
+        "pref.fukui.jp", "pref.fukuoka.jp", "pref.fukushima.jp", "pref.gifu.jp", "pref.gunma.jp",
+        "pref.hiroshima.jp", "pref.hokkaido.jp", "pref.hyogo.jp", "pref.ibaraki.jp", "pref.ishikawa.jp",
+        "pref.iwate.jp", "pref.kagawa.jp", "pref.kagoshima.jp", "pref.kanagawa.jp", "pref.kochi.jp",
+        "pref.kumamoto.jp", "pref.kyoto.jp", "pref.mie.jp", "pref.miyagi.jp", "pref.miyazaki.jp",
+        "pref.nagano.jp", "pref.nagasaki.jp", "pref.nara.jp", "pref.niigata.jp", "pref.oita.jp",
+        "pref.okayama.jp", "pref.okinawa.jp", "pref.osaka.jp", "pref.saga.jp", "pref.saitama.jp",
+        "pref.shiga.jp", "pref.shimane.jp", "pref.shizuoka.jp", "pref.tochigi.jp", "pref.tokushima.jp",
+        "pref.tottori.jp", "pref.toyama.jp", "pref.wakayama.jp", "pref.yamagata.jp", "pref.yamaguchi.jp",
+        "pref.yamanashi.jp", "city.chiba.jp", "city.fukuoka.jp", "city.hamamatsu.jp", "city.hiroshima.jp", "city.kawasaki.jp",
+        "city.kitakyushu.jp", "city.kobe.jp", "city.kyoto.jp", "city.nagoya.jp", "city.niigata.jp",
+        "city.okayama.jp", "city.osaka.jp", "city.sagamihara.jp", "city.saitama.jp", "city.sapporo.jp", "city.sendai.jp",
+        "city.shizuoka.jp", "city.yokohama.jp"));
+
+private static Set<String>  usStateSet = new HashSet<String>(Arrays.asList("ak",
+                "al", "ar", "as", "az", "ca", "co", "ct", "dc", "de", "fl", "ga", "gu", "hi", "ia",
+                "id", "il", "in", "ks", "ky", "la", "ma", "md", "me", "mi", "mn", "mo", "ms", "mt",
+                "nc", "nd", "ne", "nh", "nj", "nm", "nv", "ny", "oh", "ok", "or", "pa", "pr", "ri",
+                "sc", "sd", "tn", "tx", "ut", "vi", "vt", "va", "wa", "wi", "wv", "wy"));
+
+private static Set<String>  usSubStateSet = new HashSet<String>(Arrays.asList("state",
+                "lib", "k12", "cc", "tec", "gen", "cog", "mus", "dst"));
+
+private static Map<String,Set> topMap = new HashMap<String,Set>();
+private static Map<String,Set> top3Map = new HashMap<String,Set>();
+
+static {
+    /*
+     * XX.AA or XX.BB.AA
+     */
+    topMap.put("ac", new HashSet<String>(Arrays.asList("com", "co", "edu", "gov", "net", "mil", "org")));
+    topMap.put("ae", new HashSet<String>(Arrays.asList("co", "net", "org", "sch", "ac", "gov", "mil")));
+    topMap.put("aero", new HashSet<String>(Arrays.asList("accident-investigation",
+                "accident-prevention", "aerobatic", "aeroclub", "aerodrome", "agents", "aircraft",
+                "airline", "airport", "air-surveillance", "airtraffic", "air-traffic-control",
+                "ambulance", "amusement", "association", "author", "ballooning", "broker", "caa",
+                "cargo", "catering", "certification", "championship", "charter", "civilaviation",
+                "club", "conference", "consultant", "consulting", "control", "council", "crew",
+                "design", "dgca", "educator", "emergency", "engine", "engineer", "entertainment",
+                "equipment", "exchange", "express", "federation", "flight", "freight", "fuel",
+                "gliding", "government", "groundhandling", "group", "hanggliding", "homebuilt",
+                "insurance", "journal", "journalist", "leasing", "logistics", "magazine",
+                "maintenance", "marketplace", "media", "microlight", "modelling", "navigation",
+                "parachuting", "paragliding", "passenger-association", "pilot", "press", "production",
+                "recreation", "repbody", "res", "research", "rotorcraft", "safety", "scientist",
+                "services", "show", "skydiving", "software", "student", "taxi", "trader", "trading",
+                "trainer", "union", "workinggroup", "works" )));
+    topMap.put( "ag", new HashSet<String>(Arrays.asList("com", "org", "net", "co", "nom")));
+    topMap.put( "ai", new HashSet<String>(Arrays.asList("off", "com", "net", "org")));
+    topMap.put( "al", new HashSet<String>(Arrays.asList("com", "edu", "gov", "mil", "net", "org")));
+    topMap.put( "an", new HashSet<String>(Arrays.asList("com")));
+    topMap.put( "ao", new HashSet<String>(Arrays.asList("ed", "gv", "og", "co", "pb", "it")));
+    topMap.put( "at", new HashSet<String>(Arrays.asList("ac", "co", "gv", "or", "biz", "info", "priv")));
+    topMap.put( "az", new HashSet<String>(Arrays.asList("com", "net", "int", "gov", "org", "edu", "info",
+                "pp", "mil", "name", "biz")));
+    topMap.put( "ba", new HashSet<String>(Arrays.asList("org", "net", "edu", "gov", "mil", "unbi",
+                "unmo", "unsa", "untz", "unze", "co", "com", "rs")));
+    topMap.put( "bb", new HashSet<String>(Arrays.asList("biz", "com", "edu", "gov", "info", "net", "org",
+                "store")));
+    topMap.put( "bg", new HashSet<String>(Arrays.asList("a", "b", "c", "d", "e", "f", "g", "h", "i", "j",
+                "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "0", "1",
+                "2", "3", "4", "5", "6", "7", "8", "9")));
+    topMap.put( "bh", new HashSet<String>(Arrays.asList("com", "info", "cc", "edu", "biz", "net",
+                "org", "gov")));
+    topMap.put( "bi", new HashSet<String>(Arrays.asList("co", "com", "edu", "gov", "info", "or", "org")));
+    topMap.put( "bj", new HashSet<String>(Arrays.asList("asso", "barreau", "com", "edu", "gouv", "gov", "mil")));
+    topMap.put( "bo", new HashSet<String>(Arrays.asList("com", "edu", "gov", "gob", "int", "org", "net",
+                 "mil", "tv")));
+    topMap.put( "br", new HashSet<String>(Arrays.asList("adm", "adv", "agr", "am", "arq", "art", "ato",
+                "b", "bio", "blog", "bmd", "cim", "cng", "cnt", "com", "coop", "ecn", "edu", "emp", "eng",
+                "esp", "etc", "eti", "far", "flog", "fm", "fnd", "fot", "fst", "g12", "ggf", "gov",
+                "imb", "ind", "inf", "jor", "jus", "lel", "mat", "med", "mil", "mus", "net", "nom",
+                "not", "ntr", "odo", "org", "ppg", "pro", "psc", "psi", "qsl", "radio", "rec", "slg",
+                "srv", "taxi", "teo", "tmp", "trd", "tur", "tv", "vet", "vlog", "wiki", "zlg")));
+    topMap.put( "bw", new HashSet<String>(Arrays.asList("co", "gov", "org")));
+    topMap.put( "by", new HashSet<String>(Arrays.asList("gov", "mil", "com", "of")));
+    topMap.put( "ca", new HashSet<String>(Arrays.asList("ab", "bc", "mb", "nb", "nf",
+                "nl", "ns", "nt", "nu", "on", "pe", "qc", "sk", "yk", "gc")));
+    topMap.put( "ci", new HashSet<String>(Arrays.asList("org", "or", "com", "co", "edu",
+                "ed", "ac", "net", "go", "asso", "xn--aroport-bya", "int",
+                "presse", "md", "gouv")));
+    topMap.put( "com", new HashSet<String>(Arrays.asList("ad", "ar", "br", "cn", "de", "eu", "gb",
+                "gr", "hu", "jpn", "kr", "no", "qc", "ru", "sa", "se", "uk", "us", "uy", "za")));
+    topMap.put( "cm", new HashSet<String>(Arrays.asList("co", "com", "gov", "net")));
+    topMap.put( "cn", new HashSet<String>(Arrays.asList("ac", "com", "edu", "gov", "net",
+                "org", "mil", "xn--55qx5d", "xn--io0a7i",
+                "ah", "bj", "cq", "fj", "gd", "gs", "gz", "gx",
+                "ha", "hb", "he", "hi", "hl", "hn", "jl", "js", "jx", "ln", "nm", "nx", "qh",
+                "sc", "sd", "sh", "sn", "sx", "tj", "xj", "xz", "yn", "zj", "hk", "mo", "tw")));
+    topMap.put( "co", new HashSet<String>(Arrays.asList("arts", "com", "edu", "firm", "gov", "info",
+                "int", "mil", "net", "nom", "org", "rec", "web")));
+    topMap.put( "cr", new HashSet<String>(Arrays.asList("ac", "co", "ed", "fi", "go", "or", "sa")));
+    topMap.put( "cu", new HashSet<String>(Arrays.asList("com", "edu", "org", "net", "gov", "inf")));
+    topMap.put( "do", new HashSet<String>(Arrays.asList("com", "edu", "org", "net", "gov", "gob",
+                "web", "art", "sld", "mil")));
+    topMap.put( "dz", new HashSet<String>(Arrays.asList("com", "org", "net", "gov", "edu", "asso",
+                 "pol", "art")));
+    topMap.put( "ec", new HashSet<String>(Arrays.asList("com", "info", "net", "fin", "k12", "med",
+                "pro", "org", "edu", "gov", "gob", "mil")));
+    topMap.put( "ee", new HashSet<String>(Arrays.asList("edu", "gov", "riik", "lib", "med", "com",
+                "pri", "aip", "org", "fie")));
+    topMap.put( "eg", new HashSet<String>(Arrays.asList("com", "edu", "eun", "gov", "mil", "name",
+                "net", "org", "sci")));
+    topMap.put( "es", new HashSet<String>(Arrays.asList("com", "nom", "org", "gob", "edu")));
+    topMap.put( "eu", new HashSet<String>(Arrays.asList("europa")));
+    topMap.put( "fr", new HashSet<String>(Arrays.asList("com", "asso", "nom", "prd", "presse",
+                "tm", "aeroport", "assedic", "avocat", "avoues", "cci", "chambagri",
+                "chirurgiens-dentistes", "experts-comptables", "geometre-expert", "gouv", "greta",
+                "huissier-justice", "medecin", "notaires", "pharmacien", "port", "veterinaire")));
+    topMap.put( "ge", new HashSet<String>(Arrays.asList("com", "edu", "gov", "org", "mil", "net", "pvt")));
+    topMap.put( "gg", new HashSet<String>(Arrays.asList("co", "org", "net", "sch", "gov")));
+    topMap.put( "gh", new HashSet<String>(Arrays.asList("com", "edu", "gov", "org", "mil")));
+    topMap.put( "gi", new HashSet<String>(Arrays.asList("com", "ltd", "gov", "mod", "edu", "org")));
+    topMap.put( "gn", new HashSet<String>(Arrays.asList("ac", "com", "edu", "gov", "org", "net")));
+    topMap.put( "gp", new HashSet<String>(Arrays.asList("com", "net", "mobi", "edu", "org", "asso")));
+    topMap.put( "gr", new HashSet<String>(Arrays.asList("com", "co", "net", "edu", "org", "gov",
+                "mil", "mod", "sch")));
+    topMap.put( "gy", new HashSet<String>(Arrays.asList("co", "com", "net", "org", "edu", "gov")));
+    topMap.put( "hk", new HashSet<String>(Arrays.asList("com", "edu", "gov", "idv", "net", "org",
+                /* com */ "xn--55qx5d", /* edu */ "xn--wcvs22d", /* gov */"xn--mxtq1m",
+                /* idv */ "xn--gmqw5a", /* net */ "xn--od0alg", /*org*/ "xn--uc0atv")));
+    topMap.put( /* hk */  "xn--j6w193g", new HashSet<String>(Arrays.asList(
+                /* com */ "xn--55qx5d", /* edu */ "xn--wcvs22d", /* gov */"xn--mxtq1m",
+                /* idv */ "xn--gmqw5a", /* net */ "xn--od0alg", /*org*/ "xn--uc0atv")));
+    topMap.put( "hn", new HashSet<String>(Arrays.asList("com", "edu", "org", "net", "mil", "gob")));
+    topMap.put( "hr", new HashSet<String>(Arrays.asList("iz.hr", "from.hr", "name.hr", "com.hr")));
+    topMap.put( "ht", new HashSet<String>(Arrays.asList("com", "shop", "firm", "info", "adult",
+                "net", "pro", "org", "med", "art", "coop", "pol", "asso", "edu", "rel", "gouv", "perso")));
+    topMap.put( "hu", new HashSet<String>(Arrays.asList("co", "info", "org", "priv", "sport", "tm",
+                "2000", "agrar", "bolt", "casino", "city", "erotica", "erotika", "film", "forum",
+                "games", "hotel", "ingatlan", "jogasz", "konyvelo", "lakas", "media", "news", "reklam",
+                "sex", "shop", "suli", "szex", "tozsde", "utazas", "video")));
+    topMap.put( "id", new HashSet<String>(Arrays.asList("ac", "co", "go", "mil", "net", "or", "sch",
+                "web")));
+    topMap.put( "im", new HashSet<String>(Arrays.asList("co.im", "com", "net.im", "gov.im", "org.im",
+                "ac.im")));
+    topMap.put( "in", new HashSet<String>(Arrays.asList("co", "firm", "ernet", "net", "org", "gen", "ind",
+                "nic", "ac", "edu", "res", "gov", "mil")));
+    topMap.put( "iq", new HashSet<String>(Arrays.asList("gov", "edu", "mil", "com", "org", "net" )));
+    topMap.put( "ir", new HashSet<String>(Arrays.asList("ac", "co", "gov", "id", "net", "org", "sch"
+                )));
+    topMap.put( "is", new HashSet<String>(Arrays.asList("net", "com", "edu", "gov", "org", "int")));
+    topMap.put( "it", new HashSet<String>(Arrays.asList("gov", "edu", "agrigento", "ag", "alessandria",
+                "al", "ancona", "an", "aosta", "aoste", "ao", "arezzo", "ar", "ascoli-piceno",
+                "ascolipiceno", "ap", "asti", "at", "avellino", "av", "bari", "ba",
+                "andria-barletta-trani", "andriabarlettatrani", "trani-barletta-andria",
+                "tranibarlettaandria", "barletta-trani-andria", "barlettatraniandria",
+                "andria-trani-barletta", "andriatranibarletta", "trani-andria-barletta",
+                "traniandriabarletta", "bt", "belluno", "bl", "benevento", "bn", "bergamo", "bg",
+                "biella", "bi", "bologna", "bo", "bolzano", "bozen", "balsan", "alto-adige",
+                "altoadige", "suedtirol", "bz", "brescia", "bs", "brindisi", "br", "cagliari",
+                "ca", "caltanissetta", "cl", "campobasso", "cb", "carboniaiglesias", "carbonia-iglesias",
+                "iglesias-carbonia", "iglesiascarbonia", "ci", "caserta", "ce", "catania", "ct",
+                "catanzaro", "cz", "chieti", "ch", "como", "co", "cosenza", "cs", "cremona", "cr",
+                "crotone", "kr", "cuneo", "cn", "dell-ogliastra", "dellogliastra", "ogliastra", "og",
+                "enna", "en", "ferrara", "fe", "fermo", "fm", "firenze", "florence", "fi", "foggia",
+                "fg", "forli-cesena", "forlicesena", "cesena-forli", "cesenaforli", "fc", "frosinone",
+                "fr", "genova", "genoa", "ge", "gorizia", "go", "grosseto", "gr", "imperia", "im",
+                "isernia", "is", "laquila", "aquila", "aq", "la-spezia", "laspezia", "sp", "latina",
+                "lt", "lecce", "le", "lecco", "lc", "livorno", "li", "lodi", "lo", "lucca", "lu",
+                "macerata", "mc", "mantova", "mn", "massa-carrara", "massacarrara", "carrara-massa",
+                "carraramassa", "ms", "matera", "mt", "medio-campidano", "mediocampidano",
+                "campidano-medio", "campidanomedio", "vs", "messina", "me", "milano", "milan",
+                "mi", "modena", "mo", "monza", "monza-brianza", "monzabrianza", "monzaebrianza",
+                "monzaedellabrianza", "monza-e-della-brianza", "mb", "napoli", "naples", "na",
+                "novara", "no", "nuoro", "nu", "oristano", "or", "padova", "padua", "pd", "palermo",
+                "pa", "parma", "pr", "pavia", "pv", "perugia", "pg", "pescara", "pe", "pesaro-urbino",
+                "pesarourbino", "urbino-pesaro", "urbinopesaro", "pu", "piacenza", "pc", "pisa",
+                "pi", "pistoia", "pt", "pordenone", "pn", "potenza", "pz", "prato", "po", "ragusa",
+                "rg", "ravenna", "ra", "reggio-calabria", "reggiocalabria", "rc", "reggio-emilia",
+                "reggioemilia", "re", "rieti", "ri", "rimini", "rn", "roma", "rome", "rm", "rovigo",
+                "ro", "salerno", "sa", "sassari", "ss", "savona", "sv", "siena", "si", "siracusa",
+                "sr", "sondrio", "so", "taranto", "ta", "tempio-olbia", "tempioolbia", "olbia-tempio",
+                "olbiatempio", "ot", "teramo", "te", "terni", "tr", "torino", "turin", "to",
+                "trapani", "tp", "trento", "trentino", "tn", "treviso", "tv", "trieste", "ts",
+                "udine", "ud", "varese", "va", "venezia", "venice", "ve", "verbania", "vb",
+                "vercelli", "vc", "verona", "vr", "vibo-valentia", "vibovalentia", "vv", "vicenza",
+                "vi", "viterbo", "vt")));
+    topMap.put( "je", new HashSet<String>(Arrays.asList("co", "org", "net", "sch", "gov")));
+    topMap.put( "jo", new HashSet<String>(Arrays.asList("com", "org", "net", "edu", "sch",
+                "gov", "mil", "name")));
+    topMap.put( "jp", new HashSet<String>(Arrays.asList("ac", "ad", "co", "ed", "go", "gr", "lg",
+                "ne", "or")));
+    topMap.put( "kg", new HashSet<String>(Arrays.asList("org", "net", "com", "edu", "gov", "mil")));
+    topMap.put( "ki", new HashSet<String>(Arrays.asList("edu", "biz", "net", "org", "gov",
+                 "info", "com")));
+    topMap.put( "km", new HashSet<String>(Arrays.asList("org", "nom", "gov", "prd", "tm", "edu",
+                "mil", "ass", "com", "coop", "asso", "presse", "medecin", "notaires", "pharmaciens",
+                "veterinaire", "gouv")));
+    topMap.put( "kn", new HashSet<String>(Arrays.asList("net", "org", "edu", "gov")));
+    topMap.put( "kp", new HashSet<String>(Arrays.asList("com", "edu", "gov", "org", "rep", "tra")));
+    topMap.put( "kr", new HashSet<String>(Arrays.asList("ac", "co", "es", "go", "hs", "kg", "mil",
+                "ms", "ne", "or", "pe", "re", "sc", "busan", "chungbuk", "chungnam", "daegu",
+                "daejeon", "gangwon", "gwangju", "gyeongbuk", "gyeonggi", "gyeongnam", "incheon",
+                "jeju", "jeonbuk", "jeonnam", "seoul", "ulsan")));
+    topMap.put( "kz", new HashSet<String>(Arrays.asList("org", "edu", "net", "gov", "mil", "com")));
+    topMap.put( "la", new HashSet<String>(Arrays.asList("int", "net", "info", "edu", "gov", "per",
+                "com", "org", "c")));
+    topMap.put( "lc", new HashSet<String>(Arrays.asList("com", "net", "co", "org", "edu", "gov",
+                "l.lc", "p.lc")));
+    topMap.put( "lk", new HashSet<String>(Arrays.asList("gov", "sch", "net", "int", "com", "org",
+                "edu", "ngo", "soc", "web", "ltd", "assn", "grp", "hotel")));
+    topMap.put( "ls", new HashSet<String>(Arrays.asList("co", "gov", "ac", "org")));
+    topMap.put( "lv", new HashSet<String>(Arrays.asList("com", "edu", "gov", "org", "mil",
+                "id", "net", "asn", "conf")));
+    topMap.put( "ly", new HashSet<String>(Arrays.asList("com", "net", "gov", "plc", "edu", "sch",
+                "med", "org", "id")));
+    topMap.put( "ma", new HashSet<String>(Arrays.asList("co", "net", "gov", "org", "ac", "press")));
+    topMap.put( "me", new HashSet<String>(Arrays.asList("co", "net", "org", "edu", "ac", "gov",
+                "its", "priv")));
+    topMap.put( "mg", new HashSet<String>(Arrays.asList("org", "nom", "gov", "prd", "tm",
+                "edu", "mil", "com")));
+    topMap.put( "mk", new HashSet<String>(Arrays.asList("com", "org", "net", "edu", "gov", "inf",
+                "name", "pro")));
+    topMap.put( "ml", new HashSet<String>(Arrays.asList("com", "edu", "gouv", "gov", "net",
+                "org", "presse")));
+    topMap.put( "mn", new HashSet<String>(Arrays.asList("gov", "edu", "org")));
+    topMap.put( "mp", new HashSet<String>(Arrays.asList("gov", "co", "org")));
+    topMap.put( "mu", new HashSet<String>(Arrays.asList("com", "net", "org", "gov", "ac",
+                "co", "or")));
+    topMap.put( "museum", new HashSet<String>(Arrays.asList("academy", "agriculture", "air",
+                "airguard", "alabama", "alaska", "amber", "ambulance", "american", "americana",
+                "americanantiques", "americanart", "amsterdam", "and", "annefrank", "anthro",
+                "anthropology", "antiques", "aquarium", "arboretum", "archaeological", "archaeology",
+                "architecture", "art", "artanddesign", "artcenter", "artdeco", "arteducation",
+                "artgallery", "arts", "artsandcrafts", "asmatart", "assassination", "assisi",
+                "association", "astronomy", "atlanta", "austin", "australia", "automotive", "aviation",
+                "axis", "badajoz", "baghdad", "bahn", "bale", "baltimore", "barcelona", "baseball",
+                "basel", "baths", "bauern", "beauxarts", "beeldengeluid", "bellevue", "bergbau",
+                "berkeley", "berlin", "bern", "bible", "bilbao", "bill", "birdart", "birthplace",
+                "bonn", "boston", "botanical", "botanicalgarden", "botanicgarden", "botany",
+                "brandywinevalley", "brasil", "bristol", "british", "britishcolumbia", "broadcast",
+                "brunel", "brussel", "brussels", "bruxelles", "building", "burghof", "bus", "bushey",
+                "cadaques", "california", "cambridge", "can", "canada", "capebreton", "carrier",
+                "cartoonart", "casadelamoneda", "castle", "castres", "celtic", "center", "chattanooga",
+                "cheltenham", "chesapeakebay", "chicago", "children", "childrens", "childrensgarden",
+                "chiropractic", "chocolate", "christiansburg", "cincinnati", "cinema", "circus",
+                "civilisation", "civilization", "civilwar", "clinton", "clock", "coal", "coastaldefence",
+                "cody", "coldwar", "collection", "colonialwilliamsburg", "coloradoplateau", "columbia",
+                "columbus", "communication", "communications", "community", "computer",
+                "computerhistory", "xn--comunicaes-v6a2o", "contemporary", "contemporaryart",
+                "convent", "copenhagen", "corporation", "xn--correios-e-telecomunicaes-ghc29a",
+                "corvette", "costume", "countryestate", "county", "crafts", "cranbrook", "creation",
+                "cultural", "culturalcenter", "culture", "cyber", "cymru", "dali", "dallas", "database",
+                "ddr", "decorativearts", "delaware", "delmenhorst", "denmark", "depot", "design",
+                "detroit", "dinosaur", "discovery", "dolls", "donostia", "durham", "eastafrica",
+                "eastcoast", "education", "educational", "egyptian", "eisenbahn", "elburg",
+                "elvendrell", "embroidery", "encyclopedic", "england", "entomology", "environment",
+                "environmentalconservation", "epilepsy", "essex", "estate", "ethnology", "exeter",
+                "exhibition", "family", "farm", "farmequipment", "farmers", "farmstead", "field",
+                "figueres", "filatelia", "film", "fineart", "finearts", "finland", "flanders", "florida",
+                "force", "fortmissoula", "fortworth", "foundation", "francaise", "frankfurt",
+                "franziskaner", "freemasonry", "freiburg", "fribourg", "frog", "fundacio", "furniture",
+                "gallery", "garden", "gateway", "geelvinck", "gemological", "geology", "georgia",
+                "giessen", "glas", "glass", "gorge", "grandrapids", "graz", "guernsey", "halloffame",
+                "hamburg", "handson", "harvestcelebration", "hawaii", "health", "heimatunduhren",
+                "hellas", "helsinki", "hembygdsforbund", "heritage", "histoire", "historical",
+                "historicalsociety", "historichouses", "historisch", "historisches", "history",
+                "historyofscience", "horology", "house", "humanities", "illustration", "imageandsound",
+                "indian", "indiana", "indianapolis", "indianmarket", "intelligence", "interactive",
+                "iraq", "iron", "isleofman", "jamison", "jefferson", "jerusalem", "jewelry",
+                "jewish", "jewishart", "jfk", "journalism", "judaica", "judygarland", "juedisches",
+                "juif", "karate", "karikatur", "kids", "koebenhavn", "koeln", "kunst", "kunstsammlung",
+                "kunstunddesign", "labor", "labour", "lajolla", "lancashire", "landes", "lans",
+                "xn--lns-qla", "larsson", "lewismiller", "lincoln", "linz", "living", "livinghistory",
+                "localhistory", "london", "losangeles", "louvre", "loyalist", "lucerne", "luxembourg",
+                "luzern", "mad", "madrid", "mallorca", "manchester", "mansion", "mansions", "manx",
+                "marburg", "maritime", "maritimo", "maryland", "marylhurst", "media", "medical",
+                "medizinhistorisches", "meeres", "memorial", "mesaverde", "michigan", "midatlantic",
+                "military", "mill", "miners", "mining", "minnesota", "missile", "missoula", "modern",
+                "moma", "money", "monmouth", "monticello", "montreal", "moscow", "motorcycle", "muenchen",
+                "muenster", "mulhouse", "muncie", "museet", "museumcenter", "museumvereniging", "music",
+                "national", "nationalfirearms", "nationalheritage", "nativeamerican", "naturalhistory",
+                "naturalhistorymuseum", "naturalsciences", "nature", "naturhistorisches",
+                "natuurwetenschappen", "naumburg", "naval", "nebraska", "neues", "newhampshire",
+                "newjersey", "newmexico", "newport", "newspaper", "newyork", "niepce", "norfolk",
+                "north", "nrw", "nuernberg", "nuremberg", "nyc", "nyny", "oceanographic",
+                "oceanographique", "omaha", "online", "ontario", "openair", "oregon", "oregontrail",
+                "otago", "oxford", "pacific", "paderborn", "palace", "paleo", "palmsprings", "panama",
+                "paris", "pasadena", "pharmacy", "philadelphia", "philadelphiaarea", "philately",
+                "phoenix", "photography", "pilots", "pittsburgh", "planetarium", "plantation",
+                "plants", "plaza", "portal", "portland", "portlligat", "posts-and-telecommunications",
+                "preservation", "presidio", "press", "project", "public", "pubol", "quebec",
+                "railroad", "railway", "research", "resistance", "riodejaneiro", "rochester", "rockart",
+                "roma", "russia", "saintlouis", "salem", "salvadordali", "salzburg", "sandiego",
+                "sanfrancisco", "santabarbara", "santacruz", "santafe", "saskatchewan", "satx",
+                "savannahga", "schlesisches", "schoenbrunn", "schokoladen", "school", "schweiz",
+                "science", "scienceandhistory", "scienceandindustry", "sciencecenter", "sciencecenters",
+                "science-fiction", "sciencehistory", "sciences", "sciencesnaturelles", "scotland",
+                "seaport", "settlement", "settlers", "shell", "sherbrooke", "sibenik", "silk", "ski",
+                "skole", "society", "sologne", "soundandvision", "southcarolina", "southwest", "space",
+                "spy", "square", "stadt", "stalbans", "starnberg", "state", "stateofdelaware",
+                "station", "steam", "steiermark", "stjohn", "stockholm", "stpetersburg", "stuttgart",
+                "suisse", "surgeonshall", "surrey", "svizzera", "sweden", "sydney", "tank", "tcm",
+                "technology", "telekommunikation", "television", "texas", "textile", "theater",
+                "time", "timekeeping", "topology", "torino", "touch", "town", "transport", "tree",
+                "trolley", "trust", "trustee", "uhren", "ulm", "undersea", "university", "usa",
+                "usantiques", "usarts", "uscountryestate", "usculture", "usdecorativearts", "usgarden",
+                "ushistory", "ushuaia", "uslivinghistory", "utah", "uvic", "valley", "vantaa",
+                "versailles", "viking", "village", "virginia", "virtual", "virtuel", "vlaanderen",
+                "volkenkunde", "wales", "wallonie", "war", "washingtondc", "watchandclock",
+                "watch-and-clock", "western", "westfalen", "whaling", "wildlife", "williamsburg",
+                "windmill", "workshop", "york", "yorkshire", "yosemite", "youth", "zoological",
+                "zoology", "xn--9dbhblg6di", "xn--h1aegh")));
+    topMap.put( "mv", new HashSet<String>(Arrays.asList("aero", "biz", "com", "coop", "edu", "gov",
+                "info", "int", "mil", "museum", "name", "net", "org", "pro")));
+    topMap.put( "mw", new HashSet<String>(Arrays.asList("ac", "biz", "co", "com", "coop", "edu",
+                "gov", "int", "museum", "net", "org")));
+    topMap.put( "mx", new HashSet<String>(Arrays.asList("com", "org", "gob", "edu", "net")));
+    topMap.put( "my", new HashSet<String>(Arrays.asList("com", "net", "org", "gov", "edu",
+                 "mil", "name", "sch")));
+    topMap.put( "na", new HashSet<String>(Arrays.asList("co", "com", "org", "edu", "edunet", "net",
+                "alt", "biz", "info")));
+    topMap.put( "nc", new HashSet<String>(Arrays.asList("asso", "nom")));
+    topMap.put( "net", new HashSet<String>(Arrays.asList("gb", "se", "uk", "za")));
+    topMap.put( "ng", new HashSet<String>(Arrays.asList("name", "sch", "mil", "mobi", "com",
+                "edu", "gov", "net", "org")));
+    topMap.put( "nf", new HashSet<String>(Arrays.asList("com", "net", "per", "rec", "web",
+                "arts", "firm", "info", "other", "store")));
+    topMap.put( "no", new HashSet<String>(Arrays.asList("fhs", "vgs", "fylkesbibl", "folkebibl",
+                "museum", "idrett", "priv", "mil", "stat", "dep", "kommune", "herad", "aa",
+                "ah", "bu", "fm", "hl", "hm", "jan-mayen", "mr", "nl", "nt", "of", "ol", "oslo",
+                "rl", "sf", "st", "svalbard", "tm", "tr", "va", "vf", "akrehamn",
+                "xn--krehamn-dxa", "algard", "xn--lgrd-poac", "arna", "brumunddal",
+                "bryne", "bronnoysund", "xn--brnnysund-m8ac", "drobak",
+                "xn--drbak-wua", "egersund", "fetsund", "floro", "xn--flor-jra",
+                "fredrikstad", "hokksund", "honefoss", "xn--hnefoss-q1a",
+                "jessheim", "jorpeland", "xn--jrpeland-54a", "kirkenes", "kopervik",
+                "krokstadelva", "langevag", "xn--langevg-jxa", "leirvik", "mjondalen",
+                "xn--mjndalen-64a", "mo-i-rana", "mosjoen", "xn--mosjen-eya",
+                "nesoddtangen", "orkanger", "osoyro", "xn--osyro-wua",
+                "raholt", "xn--rholt-mra", "sandnessjoen", "xn--sandnessjen-ogb",
+                "skedsmokorset", "slattum", "spjelkavik", "stathelle", "stavern", "stjordalshalsen",
+                "xn--stjrdalshalsen-sqb", "tananger", "tranby", "vossevangen", "tranby",
+                "vossevangen", "afjord", "xn--fjord-lra", "agdenes", "al",
+                "xn--l-1fa", "alesund", "xn--lesund-hua",
+                "alstahaug", "alta", "xn--lt-liac", "alaheadju",
+                "xn--laheadju-7ya", "alvdal", "amli", "xn--mli-tla",
+                "amot", "xn--mot-tla", "andebu", "andoy", "xn--andy-ira",
+                "andasuolo", "ardal", "xn--rdal-poa", "aremark", "arendal",
+                "xn--s-1fa", "aseral", "xn--seral-lra",
+                "asker", "askim", "askvoll", "askoy", "xn--asky-ira",
+                "asnes", "xn--snes-poa", "audnedaln", "aukra", "aure", "aurland",
+                "aurskog-holand", "xn--aurskog-hland-jnb",
+                "austevoll", "austrheim", "averoy", "xn--avery-yua",
+                "balestrand", "ballangen", "balat", "xn--blt-elab",
+                "balsfjord", "bahccavuotna", "xn--bhccavuotna-k7a",
+                "bamble", "bardu", "beardu", "beiarn", "bajddar", "xn--bjddar-pta",
+                "baidar", "xn--bidr-5nac", "berg", "bergen", "berlevag", "xn--berlevg-jxa",
+                "bearalvahki", "xn--bearalvhki-y4a", "bindal", "birkenes", "bjarkoy",
+                "xn--bjarky-fya", "bjerkreim", "bjugn", "bodo", "xn--bod-2na",
+                "badaddja", "xn--bdddj-mrabd", "budejju", "bokn",
+                "bremanger", "bronnoy", "xn--brnny-wuac", "bygland",
+                "bykle", "barum", "xn--brum-voa", "bievat", "xn--bievt-0qa",
+                "bomlo", "xn--bmlo-gra", "batsfjord", "xn--btsfjord-9za", "bahcavuotna",
+                "xn--bhcavuotna-s4a", "dovre", "drammen", "drangedal", "dyroy",
+                "xn--dyry-ira", "donna", "xn--dnna-gra",
+                "eid", "eidfjord", "eidsberg", "eidskog", "eidsvoll", "eigersund", "elverum",
+                "enebakk", "engerdal", "etne", "etnedal", "evenes", "evenassi",
+                "xn--eveni-0qa01ga", "evje-og-hornnes", "farsund", "fauske",
+                "fuossko", "fuoisku", "fedje", "fet", "finnoy", "xn--finny-yua",
+                "fitjar", "fjaler", "fjell", "flakstad", "flatanger", "flekkefjord", "flesberg",
+                "flora", "fla", "xn--fl-zia", "folldal", "forsand", "fosnes", "frei",
+                "frogn", "froland", "frosta", "frana", "xn--frna-woa",
+                "froya", "xn--frya-hra", "fusa", "fyresdal", "forde",
+                "xn--frde-gra", "gamvik", "gangaviika", "xn--ggaviika-8ya47h",
+                "gaular", "gausdal", "gildeskal", "xn--gildeskl-g0a",
+                "giske", "gjemnes", "gjerdrum", "gjerstad", "gjesdal", "gjovik",
+                "xn--gjvik-wua", "gloppen", "gol", "gran", "grane", "granvin",
+                "gratangen", "grimstad", "grong", "kraanghke", "xn--kranghke-b0a",
+                "grue", "gulen", "hadsel", "halden", "halsa", "hamar", "hamaroy", "habmer",
+                "xn--hbmer-xqa",  "hapmir", "xn--hpmir-xqa",
+                "hammerfest", "hammarfeasta", "xn--hmmrfeasta-s4ac",
+                "haram", "hareid", "harstad", "hasvik", "aknoluokta", "xn--koluokta-7ya57h",
+                "hattfjelldal", "aarborte", "haugesund", "hemne", "hemnes", "hemsedal",
+                "hitra", "hjartdal", "hjelmeland",
+                "hobol", "xn--hobl-ira", "hof", "hol", "hole", "holmestrand", "holtalen",
+                "xn--holtlen-hxa", "hornindal", "horten", "hurdal", "hurum", "hvaler",
+                "hyllestad", "hagebostad", "xn--hgebostad-g3a",  "hoyanger",
+                "xn--hyanger-q1a", "hoylandet", "xn--hylandet-54a",
+                "ha", "xn--h-2fa", "ibestad", "inderoy", "xn--indery-fya",
+                "iveland", "jevnaker", "jondal", "jolster", "xn--jlster-bya",
+                "karasjok", "karasjohka", "xn--krjohka-hwab49j",
+                "karlsoy", "galsa", "xn--gls-elac", "karmoy",
+                "xn--karmy-yua", "kautokeino", "guovdageaidnu", "klepp", "klabu",
+                "xn--klbu-woa", "kongsberg", "kongsvinger", "kragero", "xn--krager-gya",
+                "kristiansand", "kristiansund", "krodsherad", "xn--krdsherad-m8a",
+                "kvalsund", "rahkkeravju", "xn--rhkkervju-01af",
+                "kvam", "kvinesdal", "kvinnherad", "kviteseid", "kvitsoy", "xn--kvitsy-fya",
+                "kvafjord", "xn--kvfjord-nxa", "giehtavuoatna", "kvanangen",
+                "xn--kvnangen-k0a", "navuotna", "xn--nvuotna-hwa",
+                "kafjord", "xn--kfjord-iua", "gaivuotna", "xn--givuotna-8ya",
+                "larvik", "lavangen", "lavagis", "loabat", "xn--loabt-0qa",
+                "lebesby", "davvesiida", "leikanger", "leirfjord", "leka", "leksvik", "lenvik",
+                "leangaviika", "xn--leagaviika-52b", "lesja", "levanger", "lier", "lierne",
+                "lillehammer", "lillesand", "lindesnes", "lindas", "xn--linds-pra",
+                "lom", "loppa", "lahppi", "xn--lhppi-xqa", "lund", "lunner", "luroy",
+                "xn--lury-ira", "luster", "lyngdal", "lyngen", "ivgu", "lardal", "lerdal",
+                "xn--lrdal-sra", "lodingen", "xn--ldingen-q1a", "lorenskog",
+                "xn--lrenskog-54a", "loten", "xn--lten-gra",  "malvik",
+                "masoy", "xn--msy-ula0h", "muosat", "xn--muost-0qa",
+                "mandal", "marker", "marnardal", "masfjorden", "meland", "meldal", "melhus",
+                "meloy", "xn--mely-ira", "meraker", "xn--merker-kua", "moareke",
+                "xn--moreke-jua", "midsund", "midtre-gauldal", "modalen", "modum",
+                "molde", "moskenes", "moss", "mosvik", "malselv", "xn--mlselv-iua",
+                "malatvuopmi", "xn--mlatvuopmi-s4a", "namdalseid", "aejrie", "namsos",
+                "namsskogan", "naamesjevuemie", "xn--nmesjevuemie-tcba",
+                "laakesvuemie", "nannestad", "narvik", "narviika", "naustdal", "nedre-eiker",
+                "nesna", "nesodden", "nesseby", "unjarga", "xn--unjrga-rta", "nesset",
+                "nissedal", "nittedal", "nord-aurdal", "nord-fron", "nord-odal", "norddal",
+                "nordkapp", "davvenjarga", "xn--davvenjrga-y4a", "nordre-land",
+                "nordreisa", "raisa", "xn--risa-5na", "nore-og-uvdal", "notodden", "naroy",
+                "xn--nry-yla5g", "notteroy", "xn--nttery-byae",
+                "odda", "oksnes", "xn--ksnes-uua", "oppdal", "oppegard",
+                "xn--oppegrd-ixa", "orkdal", "orland", "xn--rland-uua",
+                "orskog", "xn--rskog-uua", "orsta", "xn--rsta-fra",
+                "os.hedmark", "os.hordaland", "osen", "osteroy", "xn--ostery-fya",
+                "ostre-toten", "xn--stre-toten-zcb", "overhalla", "ovre-eiker",
+                "xn--vre-eiker-k8a", "oyer", "xn--yer-zna",
+                "oygarden", "xn--ygarden-p1a",  "oystre-slidre", "xn--ystre-slidre-ujb",
+                "porsanger", "porsangu", "xn--porsgu-sta26f", "porsgrunn",
+                "radoy", "xn--rady-ira", "rakkestad", "rana", "ruovat", "randaberg",
+                "rauma", "rendalen", "rennebu", "rennesoy", "xn--rennesy-v1a",
+                "rindal", "ringebu", "ringerike", "ringsaker", "rissa", "risor",
+                "xn--risr-ira", "roan", "rollag", "rygge", "ralingen", "xn--rlingen-mxa",
+                "rodoy", "xn--rdy-0nab", "romskog", "xn--rmskog-bya",
+                "roros", "xn--rros-gra", "rost", "xn--rst-0na",
+                "royken", "xn--ryken-vua", "royrvik", "xn--ryrvik-bya",
+                "rade", "xn--rde-ula", "salangen", "siellak", "saltdal", "salat",
+                "xn--slt-elab", "xn--slat-5na", "samnanger",
+                "sandefjord", "sandnes", "sandoy", "xn--sandy-yua", "sarpsborg",
+                "sauda", "sauherad", "sel", "selbu", "selje", "seljord", "sigdal", "siljan",
+                "sirdal", "skaun", "skedsmo", "ski", "skien", "skiptvet", "skjervoy",
+                "xn--skjervy-v1a", "skierva", "xn--skierv-uta",
+                "skjak", "xn--skjk-soa",  "skodje", "skanland", "xn--sknland-fxa",
+                "skanit", "xn--sknit-yqa",  "smola", "xn--smla-hra",
+                "snillfjord", "snasa", "xn--snsa-roa",  "snoasa", "snaase",
+                "xn--snase-nra", "sogndal", "sokndal", "sola", "solund", "songdalen",
+                "sortland", "spydeberg", "stange", "stavanger", "steigen", "steinkjer",
+                "stjordal", "xn--stjrdal-s1a", "stokke", "stor-elvdal", "stord", "stordal",
+                "storfjord", "omasvuotna", "strand", "stranda", "stryn", "sula", "suldal",
+                "sund", "sunndal", "surnadal", "sveio", "svelvik", "sykkylven", "sogne",
+                "xn--sgne-gra", "somna", "xn--smna-gra", "sondre-land",
+                "xn--sndre-land-0cb", "sor-aurdal", "xn--sr-aurdal-l8a",
+                "sor-fron", "xn--sr-fron-q1a", "sor-odal", "xn--sr-odal-q1a",
+                "sor-varanger", "xn--sr-varanger-ggb",  "matta-varjjat",
+                "xn--mtta-vrjjat-k7af", "sorfold", "xn--srfold-bya",
+                "sorreisa", "xn--srreisa-q1a", "sorum", "xn--srum-gra",
+                "tana", "deatnu", "time", "tingvoll", "tinn", "tjeldsund", "dielddanuorri",
+                "tjome", "xn--tjme-hra", "tokke", "tolga", "torsken", "tranoy",
+                "xn--trany-yua",  "tromso", "xn--troms-zua",  "tromsa", "romsa",
+                "trondheim", "troandin", "trysil", "trana", "xn--trna-woa",
+                "trogstad", "xn--trgstad-r1a",  "tvedestrand", "tydal", "tynset",
+                "tysfjord", "divtasvuodna", "divttasvuotna", "tysnes", "tysvar",
+                "xn--tysvr-vra",  "tonsberg", "xn--tnsberg-q1a",
+                "ullensaker", "ullensvang", "ulvik", "utsira", "vadso", "xn--vads-jra",
+                "cahcesuolo", "xn--hcesuolo-7ya35b",  "vaksdal", "valle", "vang",
+                "vanylven", "vardo", "xn--vard-jra",  "varggat", "xn--vrggt-xqad",
+                "vefsn", "vaapste", "vega", "vegarshei", "xn--vegrshei-c0a", "vennesla",
+                "verdal", "verran", "vestby", "vestnes", "vestre-slidre", "vestre-toten",
+                "vestvagoy", "xn--vestvgy-ixa6o", "vevelstad", "vik", "vikna",
+                "vindafjord", "volda", "voss", "varoy", "xn--vry-yla5g",
+                "vagan", "xn--vgan-qoa", "voagat", "vagsoy", "xn--vgsy-qoa0j",
+                "vaga", "xn--vg-yiab")));
+
+    topMap.put( "nr", new HashSet<String>(Arrays.asList("biz", "info", "gov", "edu", "org",
+                 "net", "com", "co")));
+    topMap.put( "pa", new HashSet<String>(Arrays.asList("ac", "gob", "com", "org",
+                "sld", "edu", "net", "ing", "abo", "med", "nom")));
+    topMap.put( "pe", new HashSet<String>(Arrays.asList("edu", "gob", "nom", "mil", "org", "com",
+                "net", "sld")));
+    topMap.put( "pf", new HashSet<String>(Arrays.asList( "com")));
+    topMap.put( "ph", new HashSet<String>(Arrays.asList("com", "net", "org", "gov", "edu", "ngo", "mil")));
+    topMap.put( "pk", new HashSet<String>(Arrays.asList("com", "net", "edu", "org", "fam", "biz",
+                "web", "gov", "gob", "gok", "gon", "gop", "gos", "gog", "gkp", "info")));
+    topMap.put( "pl", new HashSet<String>(Arrays.asList("aid", "agro", "atm", "auto", "biz", "com",
+                "edu", "gmina", "gsm", "info", "mail", "miasta", "media", "mil", "net", "nieruchomosci",
+                "nom", "org", "pc", "powiat", "priv", "realestate", "rel", "sex", "shop", "sklep",
+                "sos", "szkola", "targi", "tm", "tourism", "travel", "turystyka", "art",
+                "gov", "ngo", "augustow", "babia-gora", "bedzin", "beskidy",
+                "bialowieza", "bialystok", "bielawa", "bieszczady", "boleslawiec", "bydgoszcz",
+                "bytom", "cieszyn", "czeladz", "czest", "dlugoleka", "elblag", "elk", "glogow",
+                "gniezno", "gorlice", "grajewo", "ilawa", "jaworzno", "jelenia-gora", "jgora",
+                "kalisz", "kazimierz-dolny", "karpacz", "kartuzy", "kaszuby", "katowice", "kepno",
+                "ketrzyn", "klodzko", "kobierzyce", "kolobrzeg", "konin", "konskowola", "kutno",
+                "lapy", "lebork", "legnica", "lezajsk", "limanowa", "lomza", "lowicz", "lubin",
+                "lukow", "malbork", "malopolska", "mazowsze", "mazury", "mielec", "mielno", "mragowo",
+                "naklo", "nowaruda", "nysa", "olawa", "olecko", "olkusz", "olsztyn", "opoczno",
+                "opole", "ostroda", "ostroleka", "ostrowiec", "ostrowwlkp", "pila", "pisz", "podhale",
+                "podlasie", "polkowice", "pomorze", "pomorskie", "prochowice", "pruszkow", "przeworsk",
+                "pulawy", "radom", "rawa-maz", "rybnik", "rzeszow", "sanok", "sejny", "siedlce",
+                "slask", "slupsk", "sosnowiec", "stalowa-wola", "skoczow", "starachowice", "stargard",
+                "suwalki", "swidnica", "swiebodzin", "swinoujscie", "szczecin", "szczytno", "tarnobrzeg",
+                "tgory", "turek", "tychy", "ustka", "walbrzych", "warmia", "warszawa", "waw",
+                "wegrow", "wielun", "wlocl", "wloclawek", "wodzislaw", "wolomin", "wroclaw",
+                "zachpomor", "zagan", "zarow", "zgora", "zgorzelec", "gda", "gdansk",
+                "krakow", "poznan", "wroc", "co",
+                "lodz", "lublin", "torun")));
+    topMap.put( "pn", new HashSet<String>(Arrays.asList("gov", "co", "org", "edu", "net")));
+    topMap.put( "pr", new HashSet<String>(Arrays.asList("com", "net", "org", "gov", "edu", "isla",
+                "pro", "biz", "info", "name", "est", "prof", "ac", "gobierno")));
+    topMap.put( "pro", new HashSet<String>(Arrays.asList("aca", "bar", "cpa", "jur", "law",
+                 "med", "eng")));
+    topMap.put( "ps", new HashSet<String>(Arrays.asList("edu", "gov", "sec", "plo", "com", "org", "net")));
+    topMap.put( "pt", new HashSet<String>(Arrays.asList("net", "gov", "org", "edu", "int", "publ",
+                 "com", "nome")));
+    topMap.put( "pw", new HashSet<String>(Arrays.asList("co", "ne", "or", "ed", "go", "belau")));
+    topMap.put( "qa", new HashSet<String>(Arrays.asList("com", "net", "org", "gov", "edu", "mil")));
+    topMap.put( "re", new HashSet<String>(Arrays.asList("com", "asso", "nom")));
+    topMap.put( "ro", new HashSet<String>(Arrays.asList("com", "org", "tm", "nt", "nom", "info",
+                "rec", "arts", "firm", "store", "www")));
+    topMap.put( "rs", new HashSet<String>(Arrays.asList("co", "org", "edu", "ac", "gov", "in")));
+    topMap.put( "ru", new HashSet<String>(Arrays.asList("ac", "com", "edu", "int", "net", "org",
+                "pp", "adygeya", "altai", "amur", "arkhangelsk", "astrakhan", "bashkiria",
+                "belgorod", "bir", "bryansk", "buryatia", "cap", "cbg", "chel", "chelyabinsk", "chita",
+                "chukotka", "dagestan", "e-burg", "grozny", "irkutsk",
+                "ivanovo", "izhevsk", "jar", "joshkar-ola", "kalmykia", "kaluga", "kamchatka",
+                "karelia", "kazan", "kchr", "kemerovo", "khabarovsk", "khakassia", "khv", "kirov",
+                "koenig", "komi", "kostroma", "krasnoyarsk", "kuban", "kurgan", "kursk", "lipetsk",
+                "magadan", "mari", "mari-el", "marine", "mordovia", "mosreg", "msk", "murmansk",
+                "nalchik", "nnov", "nov", "novosibirsk", "nsk", "omsk", "orenburg", "oryol",
+                "palana", "penza", "perm", "pskov", "ptz", "rnd", "ryazan", "sakhalin", "samara",
+                "saratov", "simbirsk", "smolensk", "spb", "stavropol", "stv", "surgut", "tambov",
+                "tatarstan", "tom", "tomsk", "tsaritsyn", "tsk", "tula", "tuva", "tver", "tyumen",
+                "udm", "udmurtia", "ulan-ude", "vladikavkaz", "vladimir", "vladivostok", "volgograd",
+                "vologda", "voronezh", "vrn", "vyatka", "yakutia", "yamal", "yaroslavl",
+                "yekaterinburg", "yuzhno-sakhalinsk", "amursk", "baikal", "cmw", "fareast",
+                "jamal", "kms", "k-uralsk", "kustanai", "kuzbass", "magnitka", "mytis",
+                "nakhodka", "nkz", "norilsk", "oskol", "pyatigorsk", "rubtsovsk", "snz", "syzran",
+                "vdonsk", "zgrad", "gov", "mil", "test")));
+    topMap.put( "rw", new HashSet<String>(Arrays.asList("gov", "net", "edu", "ac", "com", "co",
+                "int", "mil", "gouv")));
+    topMap.put( "sa", new HashSet<String>(Arrays.asList("com", "net", "org", "gov", "med", "pub",
+                "edu", "sch")));
+    topMap.put( "sd", new HashSet<String>(Arrays.asList("com", "net", "org", "edu", "med", "gov",
+                "info", "tv")));
+    topMap.put( "se", new HashSet<String>(Arrays.asList("a", "ac", "b", "bd", "brand", "c", "d",
+                "e", "f", "fh", "fhsk", "fhv", "g", "h", "i", "k", "komforb", "kommunalforbund",
+                "komvux", "l", "lanarb", "lanbib", "m", "n", "naturbruksgymn", "o", "org", "p", "parti",
+                "pp", "press", "r", "s", "sshn", "t", "tm", "u", "w", "x", "y", "z")));
+    topMap.put( "sg", new HashSet<String>(Arrays.asList("com", "net", "org", "gov", "edu", "per")));
+    topMap.put( "sh", new HashSet<String>(Arrays.asList("co", "com", "net", "org", "gov", "edu", "nom")));
+    topMap.put( "sk", new HashSet<String>(Arrays.asList("gov", "edu")));
+    topMap.put( "sn", new HashSet<String>(Arrays.asList("art", "com", "edu", "gouv", "org", "perso",
+                "univ")));
+    topMap.put( "so", new HashSet<String>(Arrays.asList("com", "net", "org")));
+    topMap.put( "sr", new HashSet<String>(Arrays.asList("co", "com", "consulado", "edu", "embaixada",
+                "gov", "mil", "net", "org", "principe", "saotome", "store")));
+    topMap.put( "sy", new HashSet<String>(Arrays.asList("edu", "gov", "net", "mil", "com", "org", "news")));
+    topMap.put( "sz", new HashSet<String>(Arrays.asList("co", "ac", "org")));
+    topMap.put( "th", new HashSet<String>(Arrays.asList("ac", "co", "go", "in", "mi", "net", "or")));
+    topMap.put( "tj", new HashSet<String>(Arrays.asList("ac", "biz", "co", "com", "edu", "go", "gov",
+                "int", "mil", "name", "net", "nic", "org", "test", "web")));
+    topMap.put( "tn", new HashSet<String>(Arrays.asList("com", "ens", "fin", "gov", "ind", "intl",
+                "nat", "net", "org", "info", "perso", "tourism", "edunet", "rnrt", "rns", "rnu",
+                "mincom", "agrinet", "defense", "turen")));
+    topMap.put( "to", new HashSet<String>(Arrays.asList("gov")));
+    topMap.put( "tt", new HashSet<String>(Arrays.asList("co", "com", "org", "net", "biz", "info",
+                "pro", "int", "coop", "jobs", "mobi", "travel", "museum", "aero", "name", "gov",
+                "edu", "cat", "tel", "mil")));
+    topMap.put( "tw", new HashSet<String>(Arrays.asList("edu", "gov", "mil", "com", "net", "org",
+                "idv", "game", "ebiz", "club", "xn--zf0ao64a", "xn--uc0atv", "xn--czrw28b")));
+    topMap.put( "ua", new HashSet<String>(Arrays.asList("com", "edu", "gov", "in", "net", "org",
+                "cherkassy", "chernigov", "chernovtsy", "ck", "cn", "crimea", "cv", "dn",
+                "dnepropetrovsk", "donetsk", "dp", "if", "ivano-frankivsk", "kh", "kharkov",
+                "kherson", "kiev", "kirovograd", "km", "kr", "ks", "lg",
+                "lugansk", "lutsk", "lviv", "mk", "nikolaev", "od", "odessa", "pl", "poltava",
+                "rovno", "rv", "sebastopol", "sumy", "te", "ternopil", "uzhgorod", "vinnica", "vn",
+                "zaporizhzhe", "zp", "zhitomir", "zt", "cr", "lt", "lv", "sb", "sm", "tr",
+                "co", "biz", "in", "ne", "pp", "uz", "dominic")));
+    topMap.put( "ug", new HashSet<String>(Arrays.asList("co", "ac", "sc", "go", "ne", "or", "org", "com")));
+    topMap.put( "us", new HashSet<String>(Arrays.asList("dni", "fed", "isa", "kids", "nsn", "kyschools")));
+    topMap.put( "uz", new HashSet<String>(Arrays.asList("co", "com", "org", "gov", "ac", "edu", "int", "pp", "net")));
+    topMap.put( "vc", new HashSet<String>(Arrays.asList("com", "net", "org", "gov")));
+    topMap.put( "vi", new HashSet<String>(Arrays.asList("co", "com", "k12", "net", "org")));
+    topMap.put( "vn", new HashSet<String>(Arrays.asList( "com", "net", "org", "edu", "gov", "int",
+                "ac", "biz", "info", "name", "pro", "health")));
+    topMap.put( "vu", new HashSet<String>(Arrays.asList("co", "com", "net", "org", "edu", "gov", "de")));
+    topMap.put("org", new HashSet<String>(Arrays.asList("ae", "za")));
+    topMap.put("pro", new HashSet<String>(Arrays.asList("aca", "bar", "cpa", "jur", "law", "med", "eng")));
+
+    top3Map.put("au", new HashSet<String>(Arrays.asList("act.edu.au", "eq.edu.au",
+                "nsw.edu.au", "nt.edu.au", "qld.edu.au", "sa.edu.au", "tas.edu.au", "vic.edu.au",
+                 "wa.edu.au", "act.gov.au", "nsw.gov.au", "nt.gov.au", "qld.gov.au", "sa.gov.au",
+                 "tas.gov.au", "vic.gov.au", "wa.gov.au")));
+    top3Map.put("im", new HashSet<String>(Arrays.asList("ltd.co.im", "plc.co.im")));
+    top3Map.put("no", new HashSet<String>(Arrays.asList("gs.aa.no", "gs.ah.no", "gs.bu.no",
+                "gs.fm.no", "gs.hl.no", "gs.hm.no", "gs.jan-mayen.no", "gs.mr.no", "gs.nl.no",
+                "gs.nt.no", "gs.of.no", "gs.ol.no", "gs.oslo.no", "gs.rl.no", "gs.sf.no",
+                "gs.st.no", "gs.svalbard.no", "gs.tm.no", "gs.tr.no", "gs.va.no", "gs.vf.no",
+                "bo.telemark.no", "xn--b-5ga.telemark.no", "bo.nordland.no",
+                "xn--b-5ga.nordland.no", "heroy.more-og-romsdal.no",
+                "xn--hery-ira.xn--mre-og-romsdal-qqb.no", "heroy.nordland.no",
+                "xn--hery-ira.nordland.no", "nes.akershus.no", "nes.buskerud.no",
+                "os.hedmark.no", "os.hordaland.no",
+                "sande.more-og-romsdal.no", "sande.xn--mre-og-romsdal-qqb.no",
+                "sande.vestfold.no", "valer.ostfold.no", "xn--vler-qoa.xn--stfold-9xa.no",
+                "valer.hedmark.no", "xn--vler-qoa.hedmark.no")));
+    top3Map.put("tr", new HashSet<String>(Arrays.asList("gov.nc.tr")));
+}
+
+
+    /*
+     * Return the registered part of a qualified domain
+     * name or the original if no match is found.
+     */
+    public static String getRegisteredDomain(String cname) {
+        int dot;
+
+        /*
+         * If one dot or less than just return.
+         */
+        dot = cname.lastIndexOf('.');
+        if (dot == -1)
+            return cname;
+        if (dot == 0)
+            return "";
+        if (dot == cname.length() - 1) {
+            cname = cname.substring(0, cname.length() -1);
+            dot = cname.lastIndexOf('.');
+            if (dot == -1)
+                return cname;
+            if (dot == 0)
+                return "";
+        }
+        if (dot == cname.length() - 1)
+            return "";
+
+        /*
+         * Break it up into seperate labels.
+         */
+        int second = cname.lastIndexOf('.', dot - 1);
+        if (second == -1)
+            return cname;
+        if (second == 0)
+            return "";
+        int third = cname.lastIndexOf('.', second - 1);
+        int fourth = -1;
+        if (third > 0) {
+            fourth = cname.lastIndexOf('.', third - 1);
+        }
+        int fifth = -1;
+        if (fourth > 0) {
+            fifth = cname.lastIndexOf('.', fourth - 1);
+        }
+        String s = cname.substring(dot + 1);
+        String s2 = cname.substring(second + 1, dot);
+
+        /*
+         * Look for longest matches first.
+         * XX.PVT.K12.MA.US etc.
+         */
+        if (fourth != -1 && s.equals("us") && usStateSet.contains(s2)) {
+            String s3 = cname.substring(third + 1, second);
+            String s4 = cname.substring(fourth + 1, third);
+            if (s3.equals("k12")) {
+                if (s2.equals("ma") && (s4.equals("chtr") || s4.equals("paroch"))) {
+                    return cname.substring(fifth + 1);
+                } else if (s4.equals("pvt")) {
+                    return cname.substring(fifth + 1);
+                }
+            }
+        }
+
+        /*
+         * XX.K12.MA.US.
+         */
+        String str = cname.substring(third + 1);
+        if (third != -1) {
+            Set set = top3Map.get(s);
+            if (set != null) {
+                if (set.contains(str)) {
+                    return cname.substring(fourth + 1);
+                }
+            } else if (s.equals("us") && usStateSet.contains(s2)) {
+                // check for known third level labels
+                String s3 = cname.substring(third + 1, second);
+                if (usSubStateSet.contains(s3)) {
+                    return fourth != -1? cname.substring(fourth + 1): cname;
+                } else {
+                    return cname.substring(third + 1);
+                }
+            } else if (s.equals("uk")) {
+                if (s2.equals("sch")) {
+                    return cname.substring(fourth + 1);
+                }
+            } else if (s.equals("jp")) {
+                if (jpSet.contains(s2)) {
+                    if (jp2Set.contains(str)) {
+                        return cname.substring(third + 1);
+                    }
+                    return cname.substring(fourth + 1);
+                }
+            }
+        }
+
+        /*
+         * PREF.AKITA.JP etc.
+         */
+        if (jp2Set.contains(str)) {
+            return cname.substring(third + 1);
+        }
+
+        /*
+         * XX.MA.US.
+         */
+        Set topSet = topMap.get(s);
+        if (topSet != null) {
+            if (topSet.contains(s2)) {
+                return cname.substring(third + 1);
+            }
+            if (!((s.equals("us") && usStateSet.contains(s2)) || (s.equals("jp") && jpSet.contains(s2)))) {
+                return cname.substring(second + 1);
+            }
+        } else if (top2Set.contains(s)) {
+            if (s2.equals("gov")) {
+                return cname.substring(third + 1);
+            }
+            return cname.substring(second + 1);
+        } else if (top3Set.contains(s)) {
+            if (s.equals("ad") && s2.equals("nom") ||
+                s.equals("aw") && s2.equals("com") ||
+                s.equals("be") && s2.equals("ac") ||
+                s.equals("cl") && s2.equals("gov") ||
+                s.equals("cl") && s2.equals("gob") ||
+                s.equals("fi") && s2.equals("aland") ||
+                s.equals("int") && s2.equals("eu") ||
+                s.equals("io") && s2.equals("com") ||
+                s.equals("mc") && s2.equals("tm") ||
+                s.equals("mc") && s2.equals("asso") ||
+                s.equals("vc") && s2.equals("com")) {
+                return cname.substring(third + 1);
+            }
+            return cname.substring(second + 1);
+        } else if (top4Set.contains(s)) {
+            if (s2.equals("com") || s2.equals("edu") || s2.equals("gov") ||
+                s2.equals("net") || s2.equals("org")) {
+                return cname.substring(third + 1);
+            }
+            return cname.substring(second + 1);
+        } else if (top5Set.contains(s)) {
+            return cname.substring(third + 1);
+        }
+
+        /*
+         * BB.AA exception cases.
+         */
+        if (s.equals("tr")) {
+            if (!s2.equals("nic") && !s2.equals("tsk")) {
+                return cname.substring(third + 1);
+            }
+            return cname.substring(second + 1);
+        } else if (s.equals("uk")) {
+            if (!ukSet.contains(s2)) {
+                return cname.substring(third + 1);
+            }
+            return cname.substring(second + 1);
+        } else if (s.equals("ar")) {
+            if (!arSet.contains(s2)) {
+                return cname.substring(third + 1);
+            }
+            return cname.substring(second + 1);
+        } else if (s.equals("om")) {
+            if (!omSet.contains(s2)) {
+                return cname.substring(third + 1);
+            }
+            return cname.substring(second + 1);
+        }
+
+        /*
+         * XX.AA
+         */
+        if (top1Set.contains(s)) {
+            return cname.substring(second + 1);
+        }
+
+        /*
+         * Nothing matched so we can't shorten the string.
+         */
+        return cname;
+     }
+}
--- a/src/share/classes/sun/net/www/URLConnection.java	Mon May 30 16:37:42 2011 +0100
+++ b/src/share/classes/sun/net/www/URLConnection.java	Mon May 30 23:36:10 2011 +0100
@@ -238,4 +238,14 @@
     public void close() {
         url = null;
     }
+
+    private static HashMap<String,Void> proxiedHosts = new HashMap<>();
+
+    public synchronized static void setProxiedHost(String host) {
+        proxiedHosts.put(host.toLowerCase(), null);
+    }
+
+    public synchronized static boolean isProxiedHost(String host) {
+        return proxiedHosts.containsKey(host.toLowerCase());
+    }
 }
--- a/src/share/classes/sun/net/www/http/HttpClient.java	Mon May 30 16:37:42 2011 +0100
+++ b/src/share/classes/sun/net/www/http/HttpClient.java	Mon May 30 23:36:10 2011 +0100
@@ -301,7 +301,11 @@
         } else {
             SecurityManager security = System.getSecurityManager();
             if (security != null) {
-                security.checkConnect(url.getHost(), url.getPort());
+                if (ret.proxy == Proxy.NO_PROXY || ret.proxy == null) {
+                    security.checkConnect(InetAddress.getByName(url.getHost()).getHostAddress(), url.getPort());
+                } else {
+                    security.checkConnect(url.getHost(), url.getPort());
+                }
             }
             ret.url = url;
         }
@@ -457,6 +461,7 @@
     protected synchronized void openServer() throws IOException {
 
         SecurityManager security = System.getSecurityManager();
+
         if (security != null) {
             security.checkConnect(host, port);
         }
@@ -469,6 +474,7 @@
             url.getProtocol().equals("https") ) {
 
             if ((proxy != null) && (proxy.type() == Proxy.Type.HTTP)) {
+                sun.net.www.URLConnection.setProxiedHost(host);
                 privilegedOpenServer((InetSocketAddress) proxy.address());
                 usingProxy = true;
                 return;
@@ -484,6 +490,7 @@
              * ftp url.
              */
             if ((proxy != null) && (proxy.type() == Proxy.Type.HTTP)) {
+                sun.net.www.URLConnection.setProxiedHost(host);
                 privilegedOpenServer((InetSocketAddress) proxy.address());
                 usingProxy = true;
                 return;