_who_up_instancing_they_hostwho up mastodoning they social
snac sized greenyou fool, you forgot to include the subdomain
⬡-49016 
@green @_who_up_instancing_they_host this was actually considered, but from a detailed analysis (pulling instance names out of its ass) the amount of false positives for cases like mk.absturztau.be or mastodon.catgirl.cloud where the tld is the more important part of the name outweighs the false positives of 2lding they tld