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SSL Certificate: kpn.gov.pl

🟢 Valid Certificate
Common Namekpn.gov.pl
IssuerLet's Encrypt
Issuer CNYE1
Valid FromJul 8 01:35:07 2026 GMT
Valid UntilOct 6 01:35:06 2026 GMT (74 days left)
Serial Number05894E8BDA8E02904DADF49FC6DC2987FF7A
🌐 Subject Alternative Names (1)
ℹ️ About SSL Certificates

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

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