Configurando la zona reversa

/var/lib/named/db.192.168.0


@ in soa obiwan.casa.red. root.obiwan.casa.red (
     1999032401       ; Serial
     8h               ; Refresh
     2h               ; Retry
     1w               ; Expire
     1d               ; Minimum TTL
)

     ns  obiwan.casa.red.

1    ptr obiwan.casa.red.
2    ptr yoda.casa.red.
3    ptr vader.casa.red.