Checking results for: sdf.org
Additional info for https://sdf.org
Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 205.166.94.16 |
| Server Software | Apache/2.4.65 (Unix) OpenSSL/3.4.1 PHP/8.3.25 |
|
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. |
|
ℹ 🔵 Missing X-Frame-Options | The site can be embedded in iframes by third parties (clickjacking risk). |
|
ℹ 🔵 No Compression | The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 205.166.94.16
Server Software Apache/2.4.65 (Unix) OpenSSL/3.4.1 PHP/8.3.25
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.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
ℹ 🔵 No Compression The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage.
Performance
| DNS Lookup | 152.5 ms |
| TCP Connect | 293.5 ms |
| TLS Handshake | 282.5 ms |
| Time To First Byte (TTFB) | 834.7 ms |
| Content Download | 1.9 ms |
| Total Response Time | 836.6 ms |
DNS Lookup 152.5 ms
TCP Connect 293.5 ms
TLS Handshake 282.5 ms
Time To First Byte (TTFB) 834.7 ms
Content Download 1.9 ms
Total Response Time 836.6 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | SDF Public Access UNIX System - Free Shell Account and Shell Access |
Title SDF Public Access UNIX System - Free Shell Account and Shell Access
Detected Technologies
Technology Apache
HTTP Headers
| Date
| Thu, 23 Jul 2026 17:13:19 GMT |
| Server
| Apache/2.4.65 (Unix) OpenSSL/3.4.1 PHP/8.3.25 |
| Transfer-Encoding
| chunked |
| Content-Type
| text/html |
Date Thu, 23 Jul 2026 17:13:19 GMT
Server Apache/2.4.65 (Unix) OpenSSL/3.4.1 PHP/8.3.25
Transfer-Encoding chunked
Content-Type text/html
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