SSL Security Check

Use the following tools to verify and test your SSL setup. Besides important basic requirements like a complete & valid Certificate Chain you can improve security of your SSL setup by carefully selecting high quality Cipher Suites. Additionally, configuring HTTP Strict Transport Security (HSTS) will further improve security.

WEBSERVER CHECK: Qualys SSL Labs
https://www.ssllabs.com/ssltest/

SSL Labs
  WEBSERVER CHECK: GeoTrust SSL Checker
https://ssltools.geotrust.com/checker/views/certCheck.jsp

GeoTrust SSL Checker
 
WEBSERVER CHECK: Security HTTP Headers
https://securityheaders.io

SecurityHeaders.io Check
  WEBSERVER CHECK: MOZILLA Observatory
https://observatory.mozilla.org/

Mozilla Observatory




Other useful tools:

CryptCheck (Ciphers)
https://tls.imirhil.fr/ | A interssl.com

HSTS preload
https://hstspreload.org/

Drown Attack Checker
https://drownattack.com/

SSL Certificate Search
https://crt.sh/?

badssl.com
https://badssl.com

Tutorial: HTTP public key pinning
https://scotthelme.co.uk/hpkp-http-public-key-pinning/