After the recent heartbleed storm that hit our beloved wide web, a lot of people and companies have revocated and then reissued new SSL certificates.
In order to verify that the certs have been correctly setup, here’s a simple command that I used to check the date of the certs:
$ openssl s_client -connect google.com:443 < /dev/null 2>/dev/null \ | openssl x509 -startdate -noout
This commands outputs today:
notBefore=Apr 9 12:05:08 2014 GMT