Get fingerprint from ssl-certificate
Get the fingerprint from ssl-certificate (i.e. created with openssl) on server. 
Syntax

openssl x509 -in server.crt -noout -text -fingerprint -sha1


show fingerprints from ssh-keys
for any www-host:
ssh-keygen -l -F lifesim.de [-E md5|sha1|sha256]

or local:
ssh-keygen -l -f /etc/ssh/ssh_host_my_key