Network troubleshooting, any experts?

[Elam Daly]

gforte wrote:

> With all (un)due respect, your ISP is probably full of crap.  Your 
> tcpdumps
> indicate that your UDP connections to the DNS servers are getting 
> through,
> at the least.  That's why you're able to resolve hostnames.  The fact 
> that
> your TCP syns never get responded to suggest that they are being blocked
> someplace.  If the server is not running any firewall as you say, then 
> the
> only other logical place is at the border router.
>
> -g


Does DNS resolve names through UDP?  Would that explain why I can't telnet
to port 53 on the DNS servers,yet still get name resolutions?  Am I 
wrong conceptually
on how DNS works? 

Thanks
Elam