[mgarciaisaia]

    ssh whoami.filippo.io

[chrismorgan]

Ah, good, thanks. Unfortunately, whoami.filippo.io is not resolving.

https://words.filippo.io/ssh-whoami-filippo-io/ and https://github.com/FiloSottile/whoami.filippo.io are useful. It suggests also adding the option IdentitiesOnly yes.