[dns-operations] Recommended zone serial number format for over 100 changes / day

[David C Lawrence]

Robert writes:
> I always wonder about AXFR support in commercial DNS products - how do
> people expect this to work? 

https://tools.ietf.org/html/rfc5936

> For example, Alias, LBR, Geo, and WRR (to name just a few) don't
> have record types in native BIND - what would that look like in an
> AXFR?

These are not actual DNS RR types and would not be covered by AXFR.
They are a special feature of the particular authoritative server
software and can't be expected to work interoperably when with other
authoritative serer software.