28 Sep
1998
28 Sep
'98
1:43 a.m.
I think you mean port 53. This is both TCP and UDP. I thought DNS used both TCP and UDP. Thus firewall that is blocking UDP traffic will cause zone updates to fail.
You're right, my mistake. Sorry! :(
name 42/udp nameserver whois 43/tcp nicname # usually to sri-nic domain 53/tcp domain 53/udp
Matt