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 12example. 86400 IN SOA ns.example. root.example. 43 10800 900 604800 86400 13example. 86400 IN NS ns.example. 14ns.example. A 10.53.0.2 15 16ns.sub.example. A 10.53.0.3 17sub.example. NS ns.sub.example. 18