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Thread: A Puzzling DNS Resolution Issue

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A Puzzling DNS Resolution Issue
clixy1[ at ]hotmail.com 12.07.2007 21:37:20
Hello,

Can anybody please assist me with this puzzingly DNS resolution
issue.

We have just migrated a number of TLD domains to new IP addresses.
All
domains are hosted on a new single webserver. The DNS delegation is
now complete.

Using Internet Explorer on an external PC we are able to resolve any
one of the
migrated domain names.

Using Internet Explorer on the Host webserver we are UNABLE to
resolve
any of the domain names.

Both the PC and the Host webserver share the same DNS settings (i.e)
Under the TCP/IP setting both point to the same Primary and Secondary
DNS IP addresses.

Using Internet Explorer on the Host webserver server we ARE able to
resolve all
other domains (ie) www.Google.com... etc excluding our own domian
names.

The only domains we cannot reslove is our own domain names which are
hosted on this webserver?

Any help would be greatly appreciated.


Thank you.


Todd

Re: A Puzzling DNS Resolution Issue
Scott Lowe <slowe[ at ]nospameplus.com> 13.07.2007 02:11:06
In article
<1184276240.487936.99280[ at ]57g2000hsv.googlegroups.com>clixy1[ at ]hotma
il.com wrote:

[Quoted Text]
> Hello,
>
> Can anybody please assist me with this puzzingly DNS resolution
> issue.
>
> We have just migrated a number of TLD domains to new IP addresses.
> All
> domains are hosted on a new single webserver. The DNS delegation
> isnow complete.
>
> Using Internet Explorer on an external PC we are able to resolve
> anyone of the
> migrated domain names.
>
> Using Internet Explorer on the Host webserver we are UNABLE to
> resolve
> any of the domain names.
>
> Both the PC and the Host webserver share the same DNS settings (i.e)
> Under the TCP/IP setting both point to the same Primary and
> SecondaryDNS IP addresses.

So when you use nslookup to test DNS resolution from the web server
itself, does nslookup report that it is attempting to resolve from the
local server?

>
> Using Internet Explorer on the Host webserver server we ARE able
> toresolve all
> other domains (ie) www.Google.com... etc excluding our own domian
> names.
>
> The only domains we cannot reslove is our own domain names which
> arehosted on this webserver?
>
> Any help would be greatly appreciated.

Do you have any forwarders or conditional forwarding rules defined?

Regards,
Scott Lowe
ePlus Technology, Inc.

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