Used to be astronomy based. Sol for actual network and then planets and stellar bodies and stuff. But I have so many devices now.
Now I just make it ass informative with as free letters as possible. Almost everything is 3 or 4 letters long.
So like fsrv for file server, msvr for media server and so on.
Wasn’t it brought up last week ina thread about Plex charging that it is NOT against cloudflare TOS anymore?