$TTL 3600
@	4D	IN	SOA	ns1.example.net. hostmaster.example.net. (
				204041514	; serial
				4H		; refresh (RFC1537)
				30M		; retry (RFC1537)
				1D		; expiry (RFC1537)
				3H )		; minimum  (RFC1537)

			NS	ns1.example.net.
			NS	ns2.example.net.
			MX	10	mx.example.net.
			MX	20	relay.example.net.

localhost		A	127.0.0.1

@		IN	A	10.0.0.1
ftp	1H		CNAME	www
www			A	10.1.0.1
www			A	10.2.0.1
fast	10S		CNAME	www
slow	12W		CNAME	www

$ORIGIN sub1.example.net.
@			A	10.1.0.1

$ORIGIN sub1
@			A	10.1.1.1

$ORIGIN sub2.sub1.example.net.
@			A	10.1.2.1

$ORIGIN sub2.example.net.
@			A	10.2.0.1

$ORIGIN sub1
@			A	10.2.1.1