Examine /var/log/authlog for information from sshd(8). It may provide some insight. If there is no record of the attempted connection, you are not reaching your server, but some other system instead. The fingerprint from the server would confirm this (you get the fingerprint the first time you attempt to connect to an unknown host).
Also inspect /etc/ssh/sshd_config for any local provisioning changes you may have performed.
|