$ORIGIN 1.0.10.in-addr.arpa
$TTL 86400
@     IN     SOA    dns1.domain.com.     hostmaster.domain.com. (
                    20240413021 ; serial
                    21600      ; refresh after 6 hours
                    3600       ; retry after 1 hour
                    604800     ; expire after 1 week
                    86400 )    ; minimum TTL of 1 day

	IN     NS     dns1.domain.com.
     	IN     NS     dns2.domain.com.

1	IN	PTR	localhost.