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

[Matthias Leisi]

>> 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

„can’t be expected to work interoperably“… why not, actually? „FXFR“ for „Feature XFR“ does not seem to be technically difficult, but I’m not aware of any recent attempts to standardise something like that. 

— Matthias