John Levine wrote:
I don't see any a priori reason to expect MUAs to be any worse at
looking up SRV than looking up TXT.
What about: TXT is older and pervasive?
SRV has been around for 15 years, and it's intended for telling you
where a domain provides a particular service, which is what we're
doing here. Is there DNS software we care about that can support TXT
with a funny name but not SRV?
I think that the dkim/spf experience is that anything beyond A and CNAME
causes
some dns providers out there to fail. Text does have the advantage that
more providers
are supporting it because of dkim/spf. I don't think that srv has the
same penetration and/or
use.... which is a pity because srv records are actually pretty nice in
theory.
I'm not sure that it's an exact fit in any case with SRV, so you'd have
to hack SRV just
like you'd have to hack TEXT records to fit the exact semantics, so it's
sort of six of
one half dozen of the other on that front.
Mike
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