Index: trunk/src/org/openstreetmap/josm/data/validation/routines/DomainValidator.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/validation/routines/DomainValidator.java	(revision 12244)
+++ trunk/src/org/openstreetmap/josm/data/validation/routines/DomainValidator.java	(revision 12250)
@@ -296,5 +296,5 @@
     // WARNING: this array MUST be sorted, otherwise it cannot be searched reliably using binary search
     private static final String[] GENERIC_TLDS = new String[] {
-        // Taken from Version 2017040800, Last Updated Sat Apr  8 07:07:01 2017 UTC
+        // Taken from Version 2017052400, Last Updated Wed May 24 07:07:02 2017 UTC
         "aaa", // aaa American Automobile Association, Inc.
         "aarp", // aarp AARP
@@ -354,4 +354,5 @@
         "apple", // apple Apple Inc.
         "aquarelle", // aquarelle Aquarelle.com
+        "arab", // arab League of Arab States
         "aramco", // aramco Aramco Services Company
         "archi", // archi STARTING DOT LIMITED
@@ -1491,4 +1492,5 @@
         "xn--ngbc5azd", // شبكة International Domain Registry Pty. Ltd.
         "xn--ngbe9e0a", // بيتك Kuwait Finance House
+        "xn--ngbrx", // عرب League of Arab States
         "xn--nqv7f", // 机构 Public Interest Registry
         "xn--nqv7fs00ema", // 组织机构 Public Interest Registry