SSL Certificate: thinkfun.com

đŸŸĸ Valid Certificate
Common Namewww.thinkfun.com
IssuerLet's Encrypt
Issuer CNR12
Valid FromMar 5 02:25:38 2026 GMT
Valid UntilJun 3 02:25:37 2026 GMT (61 days left)
Serial Number05B5F3DA5B1CE6033687BC05D2E6DB0BEC8C
🌐 Subject Alternative Names (2)
â„šī¸ About SSL Certificates

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

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