cannot issue an NSLOOKUP query

  • Thread starter Thread starter chrism
  • Start date Start date
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chrism

Our primary internal DNS server is on Server 2003.

when I try to issue nslookup queries against it, it times out with a:

*** Request to host.domain.com timed-out

In short, it doesn't seem to be able to resolve external names.


Where can I start troubleshooting this ?
 
chrism said:
Our primary internal DNS server is on Server 2003.

when I try to issue nslookup queries against it, it times out with a:

*** Request to host.domain.com timed-out

In short, it doesn't seem to be able to resolve external names.


Where can I start troubleshooting this ?
Click to expand...

First step is to see if it is JUST timing or a real problem
and then isolate that problem.

Try extending the timeout to make sure the server is really
not answer (10, 20 seconds):

nslookup -time=20 www.yahoo.com

Find which DNS servers your client is using (by default)
by reading the IPconfig /all output.

Try each of them. Or fix them. Or contact the admin to fix
them. Or switch to the correct servers.

Do you have INTERNAL DNS?

If so, ALL of your INTERNAL clients much point STRICTLY
to your internal DNS server (set). Typically, those internal
DNS servers will FORWARD to your ISP (or to a caching
only DNS server on your firewall/gateway/router to the
Internet.)
[/QUOTE]
 
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