DNS Server Problems

Problems:

When do checking domain name and the DNS status at http://pingability.com

Error Got an error when connecting to ns.x.x.x /x.x.x.x with a request for ns.x.x.x/CNAME: IOException: I/O Error on name server x.x.x.x for ns.x.x.x Heads-up Could not perform the CNAME check. IOException: I/O Error on name server x.x.x.x for ns.x.x.x Information No glue records found at parent name servers for ns2.unisel.edu.my Error Got an error when connecting to ns.x.x.x / x.x.x.x with a request for unisel.edu.my/SOA: IOException: I/O Error on name server x.x.x.x for abc.def.com Error The name server did not return any SOA records. This could indicate a 'lame' nameserver - one that is listed as authoratative, but does not return any information for the zone. Information The name server replied to an AXFR request. It returned a list of 113 DNS records it holds. Error Got an error when connecting to ns.x.x.x / x.x.x.x  with a request for abc.def.com/NS: IOException: I/O Error on name server x.x.x.x for unisel.edu.my.

Resolve:

• Firewall server must allow DNS server port - TCP & UDP = 53