If you're using the synchro.net dynamic DNS feature for a yourbbs.synchro.net hostname, you can now also get a TXT (text) and LOC (location) record and an AAAA (IPv6 address) record, if you need/want one.
The TXT record can be useful for mail server verification (https://en.wikipedia.org/wiki/Sender_Policy_Framework
... and combined with the new "wildcard" feature (*.yourbbs.synchro.net), could be used for LetsEncrypt DNS-based domain verification.
The LOC record can be used to report the coordinates of your BBS: http://dnsloc.net/
For more details, see http://wiki.synchro.net/module:dyndns
This Is Spinal Tap quote #12:
Nigel Tufnel: Well, I don't know - wh-wh-... what're the hours?
Norco, CA WX: 87.2°F, 51.0% humidity, 7 mph E wind, 0.00 inches rain/24hrs