SSL Certificate: zcu.cz
🟢 Valid Certificate
| Common Name | zcu.cz |
|---|---|
| Issuer | Let's Encrypt |
| Issuer CN | R12 |
| Valid From | May 25 19:25:53 2026 GMT |
| Valid Until | Aug 23 19:25:52 2026 GMT (36 days left) |
| Serial Number | 0674D29C2C19D1F1B6339D9CC5F823528BE1 |
🌐 Subject Alternative Names (2)
ℹ️ About SSL Certificates
SSL (Secure Sockets Layer) certificates encrypt data between your browser and zcu.cz's server. A valid SSL certificate ensures that your connection is private and that you're communicating with the real Zcu website.
Websites without valid SSL certificates may show browser warnings and are penalized in search engine rankings.
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