DNS forwarders

[Catalin Porancea]

Until yesterday, the dns server worked fine: the clients
point to the internal dns and the dns server uses
forwarders to resolve the external domain names. For some
reason it just stop working. The external dns servers I
used as forwarders are still functional since I have no
problems going on the internet if I cahnage the TCP/IP
address to use these external dns servers.

Can somebody help?

Thank you.

Catalin

 

[Seetal R Patel]

Hi,

Did you check to make sure that DNS service is up and running and also are
there any entries in the Event Viewer.

If the above look okay then - try troubleshooting using the NSLOOKUP tool.

http://support.microsoft.com/?kbid=200525

Thanks,

Seetal

 

[William Stacey]

I would use netmon to monitor the NIC on the server. Try to monitor the
request coming into the server, then see what it tries to query and what
response it gets or does not get. Another test would be to turn off the
recursion in the Forwarders tab to remove the root-hints factor and just
concentrate on diagnosing forwarding.

 

[BRANDON]

Hi Catalin
I had a similar problem a few weeks ago i configured
routing and remote access and configured forwarders just
like you but sudenly it stoped and i had to use external
dns servers but this caused problems. Eventually i had to
resort to a 3rd party proxy server! I still don't know why
this occured but it was very frustrating since it is a
useful tool and alot less client configuration is
involved ! Well if you figure it out could you let me now,
and if i figure it out i will let you now cheers
Brandon
PS i recon it is something really small in the config!!!!

 

[Ace Fekay [MVP]]

Try this forwarder:
4.2.2.2

--
Regards,
Ace

Please direct all replies to the newsgroup so all can benefit.

Ace Fekay, MCSE 2000, MCSE+I, MCSA, MCT, MVP
Microsoft Windows MVP - Active Directory