SSL Certificate: sigarra.up.pt
🟢 Valid Certificate
| Common Name | sigarra.up.pt |
|---|---|
| Organization | Universidade do Porto |
| Issuer | Hellenic Academic and Research Institutions CA |
| Issuer CN | GEANT TLS ECC 1 |
| Valid From | Jan 8 14:34:49 2026 GMT |
| Valid Until | Jan 8 14:34:49 2027 GMT (165 days left) |
| Serial Number | 4B7A21BD0DF9C6A2D48FE0FB1D9EE899 |
🌐 Subject Alternative Names (1)
ℹ️ About SSL Certificates
SSL (Secure Sockets Layer) certificates encrypt data between your browser and sigarra.up.pt's server. A valid SSL certificate ensures that your connection is private and that you're communicating with the real Sigarra website.
Websites without valid SSL certificates may show browser warnings and are penalized in search engine rankings.
🔧 More Tools for Sigarra