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Enter a URL or a hostname to test the server for CVE-2014-0160.

This test has been discontinued in March 2019. You can use the open-source command line tool or the SSL Labs online test.

All good, seems fixed or unaffected!

Uh-oh, something went wrong:
Check what it means at the FAQ.
It might mean that the server is safe, we just can't be 100% sure!
If you know what you are doing, tick the ignore certificates box. Otherwise please try again!


Here is some data we pulled from the server memory:
(we put YELLOW SUBMARINE there, and it should not have come back)


Please take immediate action!

You can specify a port like this 443 by default.

Go here for all your Heartbleed information needs.