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

[Frederico A C Neves]

Jonathan,

On Wed, Mar 30, 2016 at 06:56:13PM +0000, Jonathan Tuliani wrote:
> Hi DNS Gurus,
> 
> RFC1912 recommends the following SOA serial number format: YYYYMMDDnn
> 
> However, this does not support more than 100 updates per day (whilst this sounds like a lot, the fluidity of the Cloud means there are some applications where large numbers of changes are commonplace).
> 
> Is there a recommended serial format that supports large numbers of changes?
> 

For 3 digitis available and still a meaninfull date, you could use the
Julian format

YYYYDDDNNN

Where DDD is the day of the year and NNN is the 3 digitis available
for your intraday changes.

> Thanks in advance,
> 
> Jonathan Tuliani

Fred