SSL Certificate: petersen.org

đŸŸĸ Valid Certificate
Common Namepetersen.org
IssuerLet's Encrypt
Issuer CNR13
Valid FromFeb 7 09:47:46 2026 GMT
Valid UntilMay 8 09:47:45 2026 GMT (34 days left)
Serial Number06ACEB54D0E22E97A13A6EDCB643E97A9B59
🌐 Subject Alternative Names (1)
â„šī¸ About SSL Certificates

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

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