Check ssl and tls certificate of a Webserver

A good way to check ssl and tls certificate of a Webserver:

echo | openssl s_client -showcerts -servername ec2-34-238-244-132.compute-1.amazonaws.com -connect ec2-34-238-244-132.compute-1.amazonaws.com:443 2>/dev/null | openssl x509 -inform pem -noout -text