So, as an experiment, I changed by SRV records the other day - mostly to test our own handling.

I now have:

;; ANSWER SECTION:
_xmpp-server._tcp.dave.cridland.net. 86400 IN SRV 5 1 5269 peirce-6.dave.cridland.net. _xmpp-server._tcp.dave.cridland.net. 86400 IN SRV 9 1 5269 peirce-4.dave.cridland.net.

In layman's terms, that's "Try connecting to peirce-6, and if that fails, try peirce-4".

Predictably, these are IPv6 and IPv4 single-stack hostnames:

;; ADDITIONAL SECTION:
peirce-6.dave.cridland.net. 86400 IN AAAA 2001:470:1f09:882:2e0:81ff:fe29:d16a
peirce-4.dave.cridland.net. 86400 IN    A       217.155.137.61

Actually the same host, as you can see:

peirce.dave.cridland.net. 86400 IN      A       217.155.137.61
peirce.dave.cridland.net. 86400 IN AAAA 2001:470:1f09:882:2e0:81ff:fe29:d16a

So the question is, can anyone not "see" me?

An easy way to check is by discoing my server.

So far, I have found two server implementations that can no longer see me.

Dave.
--
Dave Cridland - mailto:[email protected] - xmpp:[email protected]
 - acap://acap.dave.cridland.net/byowner/user/dwd/bookmarks/
 - http://dave.cridland.net/
Infotrope Polymer - ACAP, IMAP, ESMTP, and Lemonade
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