recursive queries DNS

what is the use of recursive queries. what will happen if i will Restrict recursive queries to the hosts that should use this nameserver (such as those of the LAN connected to it).
Yogesh_Exchange_ExpertAsked:
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MichaelVHConnect With a Mentor Commented:
Recursion is actually some sort of process where the DNS Server you queries will query on it's turn other DNS Server to resolve your query.
When disabling recursion, if your DNS Server cannot solve the query, you'll get no answer to your query on the other hand if you restrict recursion, the DNS Server will try to solve the query locally, if not send it to a forwarder.

Hopefully that clears up the sky a bit?

Michael
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Krzysztof PytkoSenior Active Directory EngineerCommented:
(out of points, please)
Please read this Microsoft article which explains Recursive and Iterative DNS queries at
http://technet.microsoft.com/en-us/library/cc961401.aspx

Regards,
Krzysztof
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Yogesh_Exchange_ExpertAuthor Commented:
ok
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