1; Copyright (C) Internet Systems Consortium, Inc. ("ISC") 2; 3; SPDX-License-Identifier: MPL-2.0 4; 5; This Source Code Form is subject to the terms of the Mozilla Public 6; License, v. 2.0. If a copy of the MPL was not distributed with this 7; file, you can obtain one at https://mozilla.org/MPL/2.0/. 8; 9; See the COPYRIGHT file distributed with this work for additional 10; information regarding copyright ownership. 11 12$TTL 600 13@ IN SOA mname1. . ( 14 2 ; serial 15 20 ; refresh (20 seconds) 16 20 ; retry (20 seconds) 17 1814400 ; expire (3 weeks) 18 3600 ; minimum (1 hour) 19 ) 20@ IN NS ns2 21ns2 IN A 10.53.0.2 22 23a IN A 10.1.0.1 24child IN NS ns3.child 25ns3.child IN A 10.53.0.3 26