[Pdns-users] Allow recursion on only one IP

Dan Campbell pdns at w3eta.net
Mon May 11 13:54:42 UTC 2015

Since the PowerDNS Recursor and PowerDNS Authoritative server are two different products, you’ll need to run both anyway.

Run the recursor listening only on IP#1 (using the local-address setting) and the authoritative server listening only on IP#2 (using the local address setting).

During your transition phase you can use the forward-zones setting in the recursor on IP#1 to forward requests for specific domains to the auth server on IP#2.

This is assuming I understood your question.
Dan Campbell

On May 9, 2015, at 11:05 PM, ggiesen+powerdns at giesen.me wrote:

I’m currently planning a project to split recursion from authoritative DNS (they currently reside on the same IP). 
As part of the project, I’d like to set up a second IP for PowerDNS to listen on (which will be the IP for the authoritative server; the recursive server will remain on the existing IP). The transition strategy is that IP #1 (the existing IP) will answer both recursive and authoritative queries until such time as all the domains have been migrated to use the new IP #2. IP#2 will answer only authoritative queries.
However I’ve run into a snag. I can’t find any way to have PowerDNS answer recursion queries on only the IP #1 (I can only limit what IPs the queries come from, but not to). Am I missing something, is there a way to do what I’m looking to do? Or is the only solution to run separate instances of pdns (with separate config files both connecting to the same backend).

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