How does CertH grade a TLS setup?

It sends a ClientHello to port 443, reads the certificate chain and negotiated parameters, weights protocol versions, cipher strength, key size, validity, hostname match and chain length into a 0-100 score, then maps it to A+ … F following SSL Labs semantics.

Does CertH store my data?

Only public TLS data is processed. After signup we keep just your email, watched domains, alert rules and hashed API keys; you can delete your data or close your account at any time.

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Contact CertH: feature suggestions, grading questions, false-positive appeals or business inquiries.

Email

Feature suggestions, grading questions, false-positive appeals or business inquiries — drop us a line:

certh@csr.plus

We usually reply within 1–2 business days. For grading or privacy questions, the About and Privacy Policy pages may answer you faster.