Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 217.156.25.21 |
| Server Software | nginx |
| Compression | gzip |
|
ℹ 🔵 Missing HSTS | HTTP Strict Transport Security is not configured. Recommended for HTTPS sites. |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 217.156.25.21
Server Software nginx
Compression gzip
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Performance
| DNS Lookup | 52.3 ms |
| TCP Connect | 94.4 ms |
| TLS Handshake | 91.5 ms |
| Time To First Byte (TTFB) | 294.5 ms |
| Content Download | 0.2 ms |
| Total Response Time | 294.8 ms |
DNS Lookup 52.3 ms
TCP Connect 94.4 ms
TLS Handshake 91.5 ms
Time To First Byte (TTFB) 294.5 ms
Content Download 0.2 ms
Total Response Time 294.8 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Zimbra Web Client Sign In |
| Meta Description | Zimbra provides open source server and client software for messaging and collaboration. To find out more visit https://www.zimbra.com. |
Title Zimbra Web Client Sign In
Meta Description Zimbra provides open source server and client software for messaging and collaboration. To find out more visit https://www.zimbra.com.
Detected Technologies
| Technology | Google Analytics Nginx |
Technology Google Analytics Nginx
HTTP Headers
| Server
| nginx |
| Date
| Wed, 22 Jul 2026 16:53:41 GMT |
| Content-type
| text/html;charset=utf-8 |
| X-frame-options
| SAMEORIGIN |
| Expires
| -1 |
| Cache-control
| no-store, no-cache, must-revalidate, max-age=0 |
| Pragma
| no-cache |
| Content-language
| en-US |
| Set-cookie
| ZM_LOGIN_CSRF=a0ca334e-8941-4c9f-8f47-b6e3bd1e81a0; Secure; HttpOnly |
| Vary
| Accept-Encoding |
| X-ua-compatible
| IE=edge |
| Content-encoding
| gzip |
Meta Tags
| Content-Type | text/html;charset=utf-8 |
| Viewport | width=device-width, initial-scale=1.0 |
| Description | Zimbra provides open source server and client software for messaging and collaboration. To find out more visit https://www.zimbra.com. |
| Apple-mobile-web-app-capable | yes |
| Apple-mobile-web-app-status-bar-style | black |
Server nginx
Date Wed, 22 Jul 2026 16:53:41 GMT
Content-type text/html;charset=utf-8
X-frame-options SAMEORIGIN
Expires -1
Cache-control no-store, no-cache, must-revalidate, max-age=0
Pragma no-cache
Content-language en-US
Set-cookie ZM_LOGIN_CSRF=a0ca334e-8941-4c9f-8f47-b6e3bd1e81a0; Secure; HttpOnly
Vary Accept-Encoding
X-ua-compatible IE=edge
Content-encoding gzip