according to a bluesky employee, resolveHandle is intentional. this can't be good
https://github.com/bluesky-social/atproto/issues/979#issuecomment-1538098166
resolveExternalHandle supports any domain allowing file access · Issue #979 · bluesky-social/atproto
there's a user on bsky.social who has a handle of @s3.amazonaws.com because they were able to upload a file acting as an xRPC agent(?) using the resolveHandle endpoint. I believe I've grasped why t...