[mattvot]

For SSL from Qualys, Inc https://www.ssllabs.com/ssltest/

[tanthony01]

Last I checked, Qualys only scanned port 443. I like testssl.sh - you can point it at arbitrary ports:

https://testssl.sh/ https://github.com/drwetter/testssl.sh

[stefanorri]

testssl.sh is also great for testing internal servers which aren't internet accessible.