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 20 13sub.foo. IN SOA marka.isc.org. ns.foo. ( 14 2000042100 ; serial 15 600 ; refresh 16 600 ; retry 17 1200 ; expire 18 2 ; minimum 19 ) 20sub.foo. NS ns.sub.foo. 21ns.sub.foo. A 10.53.0.4 22