At least one of your nameservers allowed a zone transfer to be performed. The zone transfer enables the extraction of all DNS data available for the zone. According to DNS best practices it is advisable to disable zone transfers for public slave zones.

To disable zone transfer

Login with root

edit named.conf

root@server [~]# vi /etc/named.conf

by setting this in options {}

allow-transfer { };

root@server [~]# :wq

Those persons who want to change there or disable thier nameserver Version do as writen in the above image.

version  ” ” ;

This will disable your name server Version

That’s it you are done..