; Copyright (C) Internet Systems Consortium, Inc. ("ISC") ; ; This Source Code Form is subject to the terms of the Mozilla Public ; License, v. 2.0. If a copy of the MPL was not distributed with this ; file, You can obtain one at http://mozilla.org/MPL/2.0/. ; ; See the COPYRIGHT file distributed with this work for additional ; information regarding copyright ownership. $ORIGIN . $TTL 300 ; 5 minutes exampleb IN SOA mname1. . ( 1 ; serial 20 ; refresh (20 seconds) 20 ; retry (20 seconds) 1814400 ; expire (3 weeks) 3600 ; minimum (1 hour) ) exampleb. NS ns3.exampleb. ns3.exampleb. A 10.53.0.3 $ORIGIN exampleb. a A 10.0.2.1 b A 10.0.2.2 c A 10.0.2.3 d A 10.0.2.4 e A 10.0.2.5 f A 10.0.2.6 g A 10.0.2.7 h A 10.0.2.8