SSL Certificate: webmatematik.dk

đŸŸĸ Valid Certificate
Common Namewebmatematik.dk
IssuerSectigo Limited
Issuer CNSectigo Public Server Authentication CA DV R36
Valid FromAug 12 00:00:00 2025 GMT
Valid UntilAug 19 23:59:59 2026 GMT (135 days left)
Serial NumberBD37EBA375225D03A3A50F57E496366A
🌐 Subject Alternative Names (2)
â„šī¸ About SSL Certificates

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

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