https://gitlab.synchro.net/main/sbbs/-/issues/207#note_1335
For a "best guess", that'd work, but I don't think there's any requirement that the web server actually "know" its public hostname. There could be several actual public hostnames/aliases, all pointing to the same interface that the web server is listening on.
--- SBBSecho 3.12-Linux
* Origin: Vertrauen - [vert/cvs/bbs].synchro.net (1:103/705)