Hi Shawn,

You might be able to overrule the default Queries (see 
https://docs.powerdns.com/authoritative/backends/generic-sql.html 
<https://docs.powerdns.com/authoritative/backends/generic-sql.html>). 

Another option might be to use LUA records: 
https://docs.powerdns.com/authoritative/lua-records/index.html 
<https://docs.powerdns.com/authoritative/lua-records/index.html>.

Absolute worst case: create a stored procedure and use that, but it will make 
debugging harder and might impact speed (depending on the QPS your zone 
receives). I assume you’ve considered the side effects on caching and the TTLs 
on your records...

Kind Regards,

Frank



Frank Louwers
PowerDNS Certified Consultant @ Kiwazo.be <http://kiwazo.be/>





> On 5 Sep 2019, at 15:46, Shawn Augenstein <shawnsrabbith...@gmail.com 
> <mailto:shawnsrabbith...@gmail.com>> wrote:
> 
> Greetings,
> 
> I have stood up a MariaDB backend for a Authoritative Server deployment and I 
> am working under a specific requirement:
> 
> Provisioning the backend with 200 A Records associated with a SRV however, 
> for each query to the Authoritative server only 5 of the 200 can be returned 
> at any one time. 
> 
> This is an isolated system. 
> 
> I am looking for advisement on where to make the required edits to the query 
> to the backend itself or guidance in general on moving forward.
> 
> Regards,
> 
> -S
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Frank Louwers
PowerDNS Certified Consultant @ Kiwazo.be




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