Enter a hostname to test the server for CVE-2016-2107.
This test has been discontinued in March 2021. You can use
the open-source command
line tool or the SSL Labs online
You can specify a port like this example.com:4433. 443 by default.
To learn more about the vulnerability, read my zero-to-decryption write-up.
Built in a frenzy by Filippo Valsorda.