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SSL Certificate: fchk.cz

🟢 Valid Certificate
Common Namefchk.cz
IssuerLet's Encrypt
Issuer CNYR2
Valid FromJun 17 01:57:09 2026 GMT
Valid UntilSep 15 01:57:08 2026 GMT (60 days left)
Serial Number0695BCA56DC14C86F2398DE8FA71E254BF06
🌐 Subject Alternative Names (2)
ℹ️ About SSL Certificates

SSL (Secure Sockets Layer) certificates encrypt data between your browser and fchk.cz's server. A valid SSL certificate ensures that your connection is private and that you're communicating with the real Fchk website.

Websites without valid SSL certificates may show browser warnings and are penalized in search engine rankings.