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SSL Certificate: lecture.edu.pl

🟢 Valid Certificate
Common Namelecture.edu.pl
IssuerLet's Encrypt
Issuer CNE8
Valid FromApr 17 10:35:04 2026 GMT
Valid UntilJul 16 10:35:03 2026 GMT (34 days left)
Serial Number056D60B5DAA37906E3D8335B9F318BFD042C
🌐 Subject Alternative Names (2)
*.lecture.edu.pllecture.edu.pl
ℹ️ About SSL Certificates

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

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