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SSL Certificate: dumabyt.cz

🟢 Valid Certificate
Common Namedumabyt.cz
IssuerLet's Encrypt
Issuer CNYR2
Valid FromJun 22 16:50:19 2026 GMT
Valid UntilSep 20 16:50:18 2026 GMT (61 days left)
Serial Number056FB43F0715457D30B566FFE4083F904412
🌐 Subject Alternative Names (2)
ℹ️ About SSL Certificates

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

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