Controlling many DNS servers using rndc

Eivind Olsen eivind at
Wed Jan 5 00:29:54 UTC 2011

> What is the best approach to control 100s of DNS servers using rndc ?
> All these servers run BIND 9.3.x and are unix hosts.
> I was thinking about a script which does a ssh to each of these hosts
> in sequence and execute 'rndc <command>'. But I was looking for much
> more efficient/parallel way to do this..

Depends, really. rndc itself can work remotely, but that might not be an
option in all networks.

Eivind Olsen

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