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

[John Levine]

>> If your data is in constant flux, shoehorning it into a constant series
>> of point-in-time snapshots seems pointless and inefficient. This is
>> probably why Route 53 doesn't bother supporting zone transfers.
>
>AFAIK Route 53 doesn't bother supporting zone transfers because it's not
>supported by the underlying software (djbdns).

djbdns handles AXFR just fine if you configure it correctly, although
the configuration needs some external scripting to glom all the
zones into the single database tinydns uses.

But it's optional and rsync works a lot better for most purposes.

R's,
John