ssl checker python
$ sslchecker google.com
###############
# SSL secured #
###############
Common name: google.com
Valid from: 2015-09-29 19:04:14
Expiration date: 2015-12-28 00:00:00
    Expire in 75 days.
Signature Algorithm: RSA
Key length: 2048
Issued by:
    Country: United States
    Organization: Google Inc
    Common name: Google Internet Authority G2