Mention about "ssh -o VerifyHostKeyDNS=yes ssh.gitlab.gnome.org" in the SSH Keys page
When cloning a repo for the first time, the ED25519 key fingerprint shown in this page doesn't match the ED25519 key shown in the terminal output. According to this comment, that page is generated by GitLab and can't be customized; according to the same comment, the SSHFP records are published over DNSSEC, which can be verified with ssh -o VerifyHostKeyDNS=yes ssh.gitlab.gnome.org
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I think this should be mentioned in the SSH Keys page from the Handbook, specially since the page contains the following notice:
Note that the SSH endpoint is located at ssh.gitlab.gnome.org, not gitlab.gnome.org.
Edited by Automeris naranja