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Old 03-20-2009, 01:13 PM   #1
assi
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Registered: Mar 2009
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Synchronizing DNS Servers - automatically create new zones


Hi,

I'm kinda new to Linux, so please excuse the "newbie" type question.

We have a scenario where we need to set up two or more DNS servers that will synchronize DNS changes amongst themselves automatically.

Specifically, we have a need to create new DNS zones (domains) on one of the DNS servers, and have the new zones automatically created on the other servers. Obviously, we will need the zones to keep in-sync through regular zone transfers.

I've been able to achieve this in the past using cPanel's DNS Cluster functionality, but was wondering if there is a non-proprietary solution that does this (e.g. built into BIND).

Thanks in advance,
Assi.
 
Old 03-20-2009, 02:30 PM   #2
omes
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I would LOVE to help you with this, but right now I have to run. Late for a pool meeting

BIND has this ability, and it's called master/slave records.
This page about DNS Configuration Types might help. Will do a follow up when I get home
 
Old 03-21-2009, 02:03 AM   #3
assi
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What about new domains?

Omes,

Thanks for the link. I read through the details, but one thing that is not clear to me is how new domains get treated.

All the examples shown (as far as I could see) showed existing zones configuration on both the master and the slave.

In my scenario, I would like to create a new domain on the master server, and have that domain automatically created on the slave server, and then have the zones updates automatically thereafter.

The reason for this requirement is that we have several new domains created on daily basis. I'm looking for the easiest method of maintaining the DNS configuration.

Thanks again,
Assi.
 
Old 03-21-2009, 10:58 AM   #4
omes
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Aha. Now I see what you mean. You're going to add so many domains you want the addition to named.conf to be automatic for the slaves? That's actually quite easy to do with a script, but if you don't want to create one yourself, you can look at the cluster function in webmin. they have a perlscript you can use even if you don't want to install webmin. Some modification might be needed however if you do not wish to run webmin in order to use the script. If you get lost just post a message in this thread and ill help if i can
 
  


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