[dns-operations] online version checks

[Paul Vixie]

> From: David Conrad <drc at virtualized.org>
> Date: Fri, 31 Dec 2010 15:38:58 -1000
> 
> RFC 4892, section 2.

i didn't cite that and i should have, sorry.

however, this is a statement of requirements and is not a standard, and
only mentions ID, not VERSION or UPGRADE.  so:

> perhaps the IETF DNSEXT WG should try to reserve "._DOMAIN" for this
> and populate it with VERSION and UPGRADE, with other stuff no doubt to
> follow later.