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Re:Securityheaders.io – Analyse your HTTP response headers by tanthony01 on Thursday February 11, 2016 @10:58AM (#11080858)
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

Re:Securityheaders.io – Analyse your HTTP response headers by stefanorri on Thursday February 11, 2016 @11:14AM (#11081005)
testssl.sh is also great for testing internal servers which aren't internet accessible.