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Old 04-06-2010, 09:16 PM   #1
Registered: Mar 2005
Posts: 103

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rDNS / Need Help

Can someone explain to me how to easily setup a centos 5 (64bit) dns server?

I want to use this strictly for dns for my clients who require rdns (ptr) for their domains. I do have IP delegation/authority from the data center and allocated IPs directly from ARIN.

I just want to setup a Centos 5 box to use strictly as a dns server, perhaps with redundancy with a secondary, clustered (or not) dns server

Server 1 =

Server 2 =

Then, I need simply instructions on how to create rdns records for clients upon request, especially in bulk amounts.

Thank you.
Old 04-06-2010, 10:12 PM   #2
Registered: Apr 2009
Posts: 214

Rep: Reputation: 44
DNS is a big subject. It is also important because in the event of a failure, after the caches expire, you lose connectivity to your domains if you don't have sufficient backup servers.

It's also ever so easy to get wrong. Lots of people do, and are operating with DNS servers that are not set up properly.

Having said that, if you understand what DNS is all about, it's not too difficult to set up bind on CentOS. I think the default is now to operate in a chroot, which would give you a bit of extra security (watch out for the correct timezone setting)

For the reverse records, you could do it manually, with a script, or possibly even set up DDNS.

64 bit or otherwise doesn't affect the configuration.

There are plenty of 'howto's on the web. I suggest you start off by reading one/some of them, set up a test domain, and come back if you have problems.


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