source: this reddit post: https://www.reddit.com/r/mi_lon/comments/r0jbkd/sona_sin_tan_jan_lawa_pi_ma_bi_pana_s1telen/
I think the username matches someone on the fediverse I've seen before, but I can't find them using the search engine. Happy to boost their post instead of course.
Mastodon is a server for a federated social network: everyone can run a server if they want to, including me. So this is a Mastodon server for me (Vierkantor) and my friends.