1; Copyright (C) Internet Systems Consortium, Inc. ("ISC") 2; 3; This Source Code Form is subject to the terms of the Mozilla Public 4; License, v. 2.0. If a copy of the MPL was not distributed with this 5; file, You can obtain one at http://mozilla.org/MPL/2.0/. 6; 7; See the COPYRIGHT file distributed with this work for additional 8; information regarding copyright ownership. 9 10 11$TTL 300 ; 5 minutes 12@ IN SOA mname1. . ( 13 2000042407 ; serial 14 20 ; refresh (20 seconds) 15 20 ; retry (20 seconds) 16 1814400 ; expire (3 weeks) 17 3600 ; minimum (1 hour) 18 ) 19 NS ns1 20ns1 A 10.53.0.1 21@ MX 0 m1.mail-servers.example. 22@ MX 0 m2.mail-servers.example. 23@ MX 0 m3.mail-servers.example. 24@ MX 0 m4.mail-servers.example. 25@ MX 0 m5.mail-servers.example. 26@ MX 0 m6.mail-servers.example. 27@ MX 0 m7.mail-servers.example. 28@ MX 0 m8.mail-servers.example. 29@ MX 0 m9.mail-servers.example. 30@ MX 0 m10.mail-servers.example. 31@ MX 0 m11.mail-servers.example. 32@ MX 0 m12.mail-servers.example. 33@ MX 0 m13.mail-servers.example. 34@ MX 0 m14.mail-servers.example. 35@ MX 0 m15.mail-servers.example. 36@ MX 0 m16.mail-servers.example. 37@ MX 0 m17.mail-servers.example. 38@ MX 0 m18.mail-servers.example. 39@ MX 0 m19.mail-servers.example. 40@ MX 0 m20.mail-servers.example. 41@ MX 0 m21.mail-servers.example. 42@ MX 0 m22.mail-servers.example. 43@ MX 0 m23.mail-servers.example. 44@ MX 0 m24.mail-servers.example. 45@ MX 0 m25.mail-servers.example. 46@ MX 0 m26.mail-servers.example. 47@ MX 0 m27.mail-servers.example. 48@ MX 0 m28.mail-servers.example. 49@ MX 0 m29.mail-servers.example. 50