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Andrew LeeFlag for United Kingdom of Great Britain and Northern Ireland asked on

Strange Dns Resolution

Hello

I have noticed some strange dns resolution recently when pinging from any machine in my domain. If I ping a hostname that is not valid but would be a valid external domain name if you added .co.uk, it will resolve it to an external domain. Eg:

There is no machine in my domain called projects but my network inventory software finds it. If I ping projects, it will resolve to projects.co.uk 217.10.138.240 instead of trying to resolve to projects.[dns domain name]
I have 2 dns servers that are configured to point to themselves first and each other second. Both forward externally to open dns servers 208.67.222.222 and 208.67.220.220. I have also tried forwarding to Unet who provide the lease line and it is the same? Does anyone have any ideas?

Environment:
2 x windows 2003 dns servers ad integrated
DNS

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Last Comment
Andrew Lee

8/22/2022 - Mon
ASKER CERTIFIED SOLUTION
Chris Dent

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ASKER
Andrew Lee

Cheers Chris

I unchecked the option and the problem magically disappeared! Bloody hell! The points are yours and cheers again :)
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