rafael_xmr on Nostr: But why does it work for since only he uses it? and my username is shown as my npub ...

But why does it work for https://verdade.us/timeline/fiatjaf.com since only he uses it? and my username is shown as my npub instead of nip05, this is very confusing, I wanted to use https://verdade.us but no idea how or where to get my profile changed across the board