; 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. $TTL 300 @ IN SOA muks.isc.org. a.root.servers.nil. ( 2010 ; serial 600 ; refresh 600 ; retry 1200 ; expire 600 ; minimum ) @ NS ns.example. ns.example. A 10.53.0.1 l0. NS ns.l0. ns.l0. A 10.53.0.1