Overview#We have spotted some Certificate Validation Tools, TLS and HTTPS you may find helpful.
- Observatory by Mozilla
- High-Tech Bridge > SSL Server Security Test - BRUTAL. Be prepared for bad news.
- ssllabs - SSL Server Test - Very good test.
- DigiCert® SSL Installation Diagnostics Tool
- Symantec CryptoReport
- badssl.com - Mostly to test Browser UI operations and HTTPS Inspection / TLS Proxy
- How's My SSL? - is a cute little website that tells you how secure your TLS client is. TLS clients just like the browser you're reading this with.