On 07. 04. 22 15:47, Paul Vixie wrote:
Petr Špaček wrote on 2022-04-06 23:54:
Hello,

...

 From my perspective, these systems are not rare, quite the contrary:
- PowerDNS with a database backend
- Multi-master flavors of BIND
- Various "cloud" auths with dynamic backends
- Windows DNS with Active Directory (I think)

because IXFR and NOTIFY and UPDATE use serial numbers, the DNS protocol itself is aware of serial numbers. i hope that any recognition of non-traditional serial numbers will be an optional addition to the RRSERIAL response, and that if a zone has no actual serial number (so, it cannot participate in IXFR, NOTIFY, and UPDATE) the RRSERIAL value will just be a magic number like zero, or just missing altogether.

I fail to understand what you mean, can you elaborate?

I will try to rephrase myself for clarity:

"Let's make this draft _also_ usable for debugging e.g. PowerDNS and multi-master BIND."

I cannot see any technical reason not to support it. Moreover this draft does not touch notify or transfer protocol in any way - which is why your e-mail confuses me.

--
Petr Špaček

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