; 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.

$ORIGIN .
$TTL 300	; 5 minutes
parent.nil		IN SOA	ns1.parent.nil. hostmaster.parent.nil. (
				1          ; serial
				2000       ; refresh (33 minutes 20 seconds)
				2000       ; retry (33 minutes 20 seconds)
				1814400    ; expire (3 weeks)
				3600       ; minimum (1 hour)
				)
			NS	ns1.parent.nil.
			NS	ns2.parent.nil.
$ORIGIN parent.nil.
$TTL 3600	; 1 hour
a			A	1.1.1.1
$TTL 300	; 5 minutes
ns1			A	10.53.0.1
ns2			A	10.53.0.2

child			NS     	ns.child
ns.child		A	10.53.0.3