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SSL Certificate Checker

Check SSL status, certificate authority, expiry, and security grade for any domain.

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Live certificate data is fetched via SSL Labs API — checks may take 30–60s for uncached results.

SSL Grades Explained

A+/A

Excellent — modern TLS, strong ciphers, HSTS enabled.

B

Good but improvable — may support older TLS versions.

C

Weak — likely supports TLS 1.0/1.1 or weak ciphers.

F

Failed — expired, self-signed, or serious vulnerability.

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