/var/named/db/rev6.2001.db8.3.336

$TTL 3600	; 1 hour
@			IN SOA	ns.core2.co.uk. root.core2.co.uk. (
				2011051104 ; serial
				86400      ; refresh (1 day)
				7200       ; retry (2 hours)
				2419200    ; expire (4 weeks)
				3600       ; minimum (1 hour)
				)
			NS	ns.core2.co.uk.
$ORIGIN 0.0.0.0.0.0.0.0.0.0.0.0.6.3.3.0.3.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa.
1.0.0.0		PTR	vm106.public.core2.co.uk.
2.0.0.0		PTR	vm103.public.core2.co.uk.
3.5.2.0		PTR	juniper2.public.core2.co.uk.