[dnsdist] Dnsdist dynamic backend selection between AUTH and RECURSOR

[bernd at klaus.onl]

Hello!

 

I have a question regarding the architecture of DNSDIST in front of an
authorative pdns instance as well as an recursor.

I`ve looked at: https://doc.powerdns.com/authoritative/guides/recursion.html
- however, the solutions described are kind of static.

Eg. Domains send to the auth-instance have to be specified manually in the
config.

 

What I love to achieve is:

 

Let DNSDIST dynamicly select if a Request should be send to AUTH or
RECURSOR.

For Latency, the list of AUTH-Domains should be somehow synced locally to
the DNSDIST-Instance itself.

DNSDIST should not ask AUTH always and if it fails forward the request to
the Recursor.

Also if another Domain is added to the AUTH-Instance, this domain should be
added to the DNSDIST Config.

 

I tought about getting the Domain List via API on Startup and adding new
records via Control-Socket.

 

Has someone done a similar thing already?

 

PS: Sorry for some potential false spellings - i`m not native.

 

BR

Bernd

https://berndklaus.at

 

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