# checksslvalidity ## Usage ``` Usage: checksslvalidity DOMAIN.TLD [port] - DOMAIN.TLD : The tool will be connecting to this domain Optional: - port : If not set 443 will be used ``` ## Example ``` $ ./checksslvalidity git.kawi.fr Testing git.kawi.fr:443 Issuer: C = US, O = Let's Encrypt, CN = Let's Encrypt Authority X3 Not Before: Jun 12 18:04:19 2018 GMT Not After : Sep 10 18:04:19 2018 GMT DNS:*.kawi.fr, DNS:kawi.fr ``` ``` $ ./checksslvalidity imap.gmail.com 993 Testing imap.gmail.com:993 Issuer: C = US, O = Google Trust Services, CN = Google Internet Authority G3 Not Before: May 23 09:50:27 2018 GMT Not After : Aug 15 09:08:00 2018 GMT DNS:imap.gmail.com ```