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

Mac Innes, Kiall kiall at hpe.com
Wed Mar 30 21:02:09 UTC 2016

On 30/03/16 21:47, James R Cutler wrote:
On Mar 30, 2016, at 2:56 PM, Jonathan Tuliani <Jonathan.Tuliani at microsoft.com<mailto:Jonathan.Tuliani at microsoft.com>> 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?

Thanks in advance,

Jonathan Tuliani
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James R. Cutler
James.cutler at consultant.com<mailto:James.cutler at consultant.com>
PGP keys at http://pgp.mit.edu

Won't that just push you over the limit for an unsigned 32 bit integer, which is all that is allowed in a SOA's serial field?


- Kiall

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