; Copyright (C) Internet Systems Consortium, Inc. ("ISC") ; ; 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 http://mozilla.org/MPL/2.0/. ; ; See the COPYRIGHT file distributed with this work for additional ; information regarding copyright ownership. $TTL 300 ; 5 minutes @ IN SOA ns root ( 2018010100 ; serial 1800 ; refresh (30 minutes) 1800 ; retry (30 minutes) 1814400 ; expire (3 weeks) 3600 ; minimum (1 hour) ) NS ns ns A 10.53.0.1 server A 10.53.0.100