DCDIAG attempts to resolve contoso.local as part of test

Naturally it fails.  Is this normal, as this customers forest root domain is a .local?

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This is the command I am running:

"dcdiag.exe /v /c /d /e /a"

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How do I resolve this if it is an issue?

Thank you!
K.B.
LVL 9
K BAsked:
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Seth SimmonsSr. Systems AdministratorCommented:
you shouldn't be hitting root servers for internal tools like this
make sure the server is using internal dns servers for name resolution; not external
K BAuthor Commented:
Seth, thank you for your reply!
so the DC's have internal DNS servers for name resolution and (where I would put the ISP's name servers) this company has google's public DNS for forwarders 8.8.4.4. & 8.8.8.8.  

I thought root hints were last resorts stuff... naturally the public dns cannot resolve contoso.com nor can the root hints.
Seth SimmonsSr. Systems AdministratorCommented:
what is the topology here?  multiple domains?  parent/child domains?

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K BAuthor Commented:
A single Forest with discontiguous namespaces (Multi-Tree Forest).  An empty Forest Root named contoso.local and the domain where the users live abc.com
K BAuthor Commented:
Seth any thoughts on this?  Is this normal?
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