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Old 04-02-2009, 11:47 AM   #1
Registered: Jul 2003
Location: Fort Worth, Texas
Distribution: Mepis Linux 2004
Posts: 547

Rep: Reputation: 30
Designing a high availability DNS resolver?


I've got two DNS resolvers (no zone files) on IP's and

The DNS clients on the network some have and but some don't have both included (former management) out of about 500 machines.

So I need some sort of high availability that will listen on both IP's and will failover (and bind to the failed IP) should one of the DNS servers not resolve something after X amount of time.

Any of you guys know of any solutions out there; or if it's been done before?

I could program something; but it'd take quite a while to do.
Old 04-02-2009, 12:01 PM   #2
Registered: Feb 2008
Location: JHB South Africa
Distribution: Centos, Kubuntu, Cross LFS, OpenSolaris
Posts: 806

Rep: Reputation: 41
Why would u want to do that as dns clients will try the next ip address if the first does not respond anyway. That is the default behavior of a dns client.


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