Re: Understanding DNS Resolving

Larry <Larry@xxxxxxxxxxxx> wrote:
> "Kevin D. Goodknecht Sr. [MVP]" <admin@xxxxxxxxxxxxxx> wrote in
> message
>
>> Did you try ipconfig /flushdns?
>
> Yes, I tried that as well - same results.

Obviously, somewhere you have your ISP's DNS somewhere that is giving you
the public IP.
All internal clients must use the internal DNS for your AD domain, you need
to add records for any name not already in DNS for your servers.


>
>> Since you are using ISA what DNS server is ISA using to resolve web
>
> ISA Server is using the external DNS servers on the external NIC and
> the internal DNS servers on the internal NIC.
>
> We are not using ISA for anything outbound, all traffic goes directly
> through the PIX which is our default gateway. ISA is only used for
> OWA

I'm not getting a good picture here, is the ISA server also your DC and
exchange server?
How many DCs do you have?
Are these your internal DNS servers?


--
Best regards,
Kevin D. Goodknecht Sr. [MVP]
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