$TTL 86400
0.0.127.in-addr.arpa.         IN SOA  localhost. root.localhost. (
                                1               ; serial
                                1D              ; refresh
                                600             ; retry
                                1W              ; expiry
                                1D )            ; minimum

                NS           ns.laas.priv.
                MX 10        mail.laas.priv.
1               PTR          localhost.