; Copyright (C) Internet Systems Consortium, Inc. ("ISC") ; ; SPDX-License-Identifier: MPL-2.0 ; ; 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 https://mozilla.org/MPL/2.0/. ; ; See the COPYRIGHT file distributed with this work for additional ; information regarding copyright ownership. example. 86400 IN SOA ns.example. root.example. 43 10800 900 604800 86400 example. 86400 IN NS ns.example. ns.example. A 10.53.0.2 ns.sub.example. A 10.53.0.3 sub.example. NS ns.sub.example.