$ORIGIN 0.0.10.in-addr.arpa.
$TTL 86400
@	IN SOA		vml000020.dmz.nausch.org. root.nss.nausch.org. (
	2011100501	; serial
	3H		; refresh
	1H		; retry
	1W		; expiry
	1D )		; minimum
;
@	IN NS		vml000020.dmz.nausch.org.
;
10	IN PTR		vml000010.dmz.nausch.org.
20	IN PTR		vml000020.dmz.nausch.org.
30	IN PTR		vml000030.dmz.nausch.org.