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If my FQDN is ad.domain.com . Can i create a new forward lookup zone named domain.com to create subdomains like www. or mail. ? Or would that basically destroy my AD because the DNS Server tries to resolve ad. as a subdomain to the lookup zone domain.com ?

Rikuto
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2 Answers2

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ad.domain.com and domain.com aren't identical forward lookup zones. What's more, ad.domain.com wouldn't be a sub-domain of domain.com unless it were actually configured/created as a sub-domain of domain.com.

So, no this won't break your AD DNS.

joeqwerty
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Actually you can. That kind of arrangement is known as Split DNS.

https://en.wikipedia.org/wiki/Split-horizon_DNS

Felipe Martinez Pineda
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