telnetting/netcatting into a DNS server?

[Tim Erlin]

Mohan Singh wrote:
> How would I connect to a nameserver and talk to it so I can know it is
> working? I get as far as connecting to the port, but I don't know how to
> make it send back anything meaningful.

You could use the 'dig' command:

dig @<ip> a yahoo.com

Or you could use 'nmap' with a -sV option, limiting it to port 53/udp or
53/tcp, to actually scan for an application response.

--Tim