why stub zone

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    Can any one tell me about the benefits of stub zone.

    As far as I know about stub zone :-

    1)it contains only A,SOA and NS record.
    2)uses TCP packets, instead of UDP.
    3) supports AD integration.
    4)no need for zone transfer

    Above features are not available in Secondary DNS servers.

    But limitations of stub zone (if I know) are the same:

    1)we cannot add/modify/delete any records
    2)dependent on primary DNS
    3)If we create a stub zone in a remote location which is connected with Primary DNS server over a slow link,. then all queries will be send from stub to primary DNS.

    Then in what scenario shall we use Stub zone ?

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