SSL Certificate: csis.dk

đŸŸĸ Valid Certificate
Common Namecsis.dk
IssuerLet's Encrypt
Issuer CNE8
Valid FromFeb 8 03:00:32 2026 GMT
Valid UntilMay 9 03:00:31 2026 GMT (35 days left)
Serial Number05C36A67D66144828BCF180FB4479CE4A931
🌐 Subject Alternative Names (1)
â„šī¸ About SSL Certificates

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

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