Client
$ ssh -4 ysul.nasqueron.org The authenticity of host 'ysul.nasqueron.org (212.83.187.132)' can't be established. ECDSA key fingerprint is SHA256:qzQTi0xcuEYHRr1GV4+xqHT6jdIM3iFR8YNK9QIm7e4. Matching host key fingerprint found in DNS. ECDSA key fingerprint is MD5:38:38:07:f8:e5:38:82:47:37:ef:9a:f3:bf:a5:b0:7b. Matching host key fingerprint found in DNS. Are you sure you want to continue connecting (yes/no)?