DNS Questions

[Ladislav Vobr]

Deron Hess wrote:
> Hello all,
> I have "inherited" a network at our Christian School and am
> experiencing a problem with most web sites suddenly not being
> available to the clients. I am able however to access the web from the
> ISA server system. I am getting 10011 - Host not found errors. Our ISP
> is Starband, and we are running ISA Server as a firewall. One of the
> main questions that I have is our internal FQDN is
> lpcs.lakewoodparkcs.org within the past few weeks we have cancelled
> the hosting of the lakewoodparkcs.org website and are now using the
> www.lakewoodpark.org name for our website. Could the demise of the
> lakewoodparkcs.org domain be the culprit of my apparant DNS issues?
> Any help would be greatly appreciated. Thanks.
> 
deron, you have to put more details. what are the clients ? what is 
their dns client setup, what is your dns server configuration 
(named.conf). Can you do nslookup/dig from your clients? Can you see 
requests comming to your dns server? Do you have proper ports open on 
your fw?

Ladislav