SSL Certificate: kantorkurs.pl

🟡 Expiring Soon (8 days)
Common Namekantorkurs.pl
IssuerLet's Encrypt
Issuer CNE7
Valid FromJan 13 13:50:42 2026 GMT
Valid UntilApr 13 13:50:41 2026 GMT (8 days left)
Serial Number05A17F30AD53F99309F24D81382ADE9A9CF3
🌐 Subject Alternative Names (2)
â„šī¸ About SSL Certificates

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

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