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

[Colm MacCárthaigh]

On Fri, Apr 1, 2016 at 9:42 AM, Andrew Sullivan <ajs at anvilwalrusden.com>
wrote:

> On Fri, Apr 01, 2016 at 09:11:36AM -0700, Robert wrote:
>
> > attempt to send notifies, how would you want things that aren't
> > supported in native BIND represented in the AXFR?  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?
>
> Apart from the point about some of them not actually being RRs, if
> they _are_ RRs, they'll transfer just fine.  They're merely treated as
> unknown RRTYPEs, like everywhere else.
>

It's a really bad idea to accept unknown RRTYPEs. RRTYPEs have been defined
in backwards incompatible ways in the past - such as DNAME having a
side-effect of occluding below the DNAME cut.

-- 
Colm
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