1; Copyright (C) Internet Systems Consortium, Inc. ("ISC") 2; 3; This Source Code Form is subject to the terms of the Mozilla Public 4; License, v. 2.0. If a copy of the MPL was not distributed with this 5; file, You can obtain one at http://mozilla.org/MPL/2.0/. 6; 7; See the COPYRIGHT file distributed with this work for additional 8; information regarding copyright ownership. 9 10$TTL 300 11@ IN SOA mname1. . ( 12 2 ; serial 13 20 ; refresh (20 seconds) 14 20 ; retry (20 seconds) 15 1814400 ; expire (3 weeks) 16 3600 ; minimum (1 hour) 17 ) 18 19 NS ns3 20ns3 A 10.53.0.3 21 22a A 10.0.0.11 23b A 10.0.0.22 24c A 10.0.0.33 25d A 10.0.0.44 26