Add this line to your application's Gemfile:
gem 'ssl_scanner'
And then execute:
$ bundle
Or install it yourself as:
$ gem install ssl_scanner
SslScanner.scan_domain('https://www.yahoo.com')Results in
{ :subject=>'/C=US/ST=CA/L=Sunnyvale/O=Yahoo! Inc./CN=*.mail.yahoo.com',
:issuer=> '/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert High Assurance CA-3',
:serial=> '3098776753094407546654350892289265887',
:issued=> '2012-03-15 00:00:00 UTC',
:expires=>'2013-06-15 12:00:00 UTC',
:certificate=> ' .... '
}