thats my named.conf 


zone "33.58.14.200.in-addr.arpa" in {
        type master;
        file "/var/lib/named/master/200.14.58.rev";
        };



root@router:~# cat bla
$ORIGIN 58.14.200.in-addr.arpa.
$TTL 86400

@       IN      SOA     dns.mydomain.edu.cu. itachi.mydomain.edu.cu. (
                        1
                        10800
                        3600
                        604800
                        86400 )
                        ;

                        IN NS   dns.mydomain.edu.cu.

33    IN PTR  dns.mydomain.edu.cu.

;33.58.14.200.in-addr.arpa.    IN PTR  dns.mydomain.edu.cu.
;38.58.14.200.in-addr.arpa.    IN PTR  dnsmes.mydomain.edu.cu.
root@router:~# named-checkzone -D 58.14.200.in-addr.arpa. bla
zone 58.14.200.in-addr.arpa/IN: loaded serial 1
58.14.200.in-addr.arpa.                       86400 IN SOA      dns.mydomain.edu.cu. itachi.mydomain.edu.cu. 1 10800 3600 604800 86400
58.14.200.in-addr.arpa.                       86400 IN NS       dns.mydomain.edu.cu.
33.58.14.200.in-addr.arpa.                    86400 IN PTR      dns.mydomain.edu.cu.
OK