; Reverse Zone file for linux.class domain, 192.168.5.
$TTL 604800 
5.168.192.in-addr.arpa. IN  SOA  node18.linux.class. hostmaster.linux.class. (
                        2005042502    ; Serial, todays date + todays serial
                        604800        ; Refresh
                        86400         ; Retry
                        2419200       ; Expire
                        604800 )      ; Negative Cache TTL


18           IN PTR   unisys18.linux.class.

38           IN PTR   node18.linux.class.

240.5.168.192.in-addr.arpa.   IN PTR  capone.linux.class.

@            IN  NS   node18.linux.class.