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$TTL 300 13@ IN SOA marka.isc.org. ns.server. ( 14 2010 ; serial 15 600 ; refresh 16 600 ; retry 17 1200 ; expire 18 600 ; minimum 19 ) 20@ NS ns.tld. 21ns A 10.53.0.4 22$TTL 5 23sub.broken. NS ns.sub.broken. 24ns.sub.broken. A 10.53.0.6 25