windows server 2008 - Disallow Non-authoritative requests to DNS caches

I need to configure the following setting for my DNS Server. This server is also my Domain Controller ( Window Server 2008 R2 Standard )

A) Non-authoritative requests to DNS caches should not be allowed and configure DNS to prevent cache snooping by refusing to answer non-recursive queries as server and never consult the cache when responding to non-RD queries.

Do you know, what setting need to be done to achieve the above task.

Thanks & Regards,

Param

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