sunset prairie dog
wtf lol, you can put a .
at the end of a domain and it works:
https://chee.party./tag/music/
I've just learnt by clicking what I thought was a poorly-formed historical link on info.cern.ch, lol
EDIT
jake tracked this down in the spec:
The rightmost domain label of a fully qualified domain name in DNS may be followed by a single "." and should be if it is necessary to distinguish between the complete domain name and some local domain.rfc3986
surprised i haven't come across this