SSL Certificate: classcom.pl

đŸŸĸ Valid Certificate
Common Nameclasscom.pl
IssuerLet's Encrypt
Issuer CNR12
Valid FromMar 14 20:31:15 2026 GMT
Valid UntilJun 12 20:31:14 2026 GMT (71 days left)
Serial Number066AFBD3EB08980BF70BEC9390CBF2437771
🌐 Subject Alternative Names (4)
â„šī¸ About SSL Certificates

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

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