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DNS server limited to specific domains or subdomains?

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DNS server limited to specific domains or subdomains? DNS forum discussing issues, servers, and configurations. The Domain Name System (DNS) is what the Internet uses to translate website names into IP addresses.

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Old April 29th, 2008, 11:48 AM
kudzu53 kudzu53 is offline
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DNS server limited to specific domains or subdomains?
What would be the best way to setup a DNS server to restrict a group of systems to looking up only one domain or subdomain (Bind on FreeBSD)?

I have a group of servers I would like to be able to lookup names in bbb.com or aaa.bbb.com but no other domains outside of bbb.com.

Do I use a zone forwarder/forward only to the zone master with no recursion and no root hints? Do I setup my root hints with a loopback address?

Any ideas on this are appreciated in advance, I'm not even sure what to search for in the forums.

Thanks, M
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Old May 1st, 2008, 10:41 PM
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fishtoprecords fishtoprecords is offline
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I would think you want to either restrict queries from a subnet, or setup a 'view' that you respond to.

There is no need for an internal DNS to resolve external addresses, so you can respond to requests for foo.bbb.com and not for www.google.com

But most folks setup the local DNS to at least cache entries for external hosts, to cut down on traffic over the link from bbb.com to the greater internet
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