Technical Information
| HTTP Status Code | 403 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 89.106.200.1 |
| Server Software | Varnish |
| CDN | CDN (MISS) |
|
🚫 🟡 HTTP 403 Error | The server returned a 403 error. Check the access configuration. |
|
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). |
HTTP Status Code 403
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 89.106.200.1
Server Software Varnish
CDN CDN (MISS)
🚫 🟡 HTTP 403 Error The server returned a 403 error. Check the access configuration.
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).
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://osterc.net:443 | 301 | HTTP/2 301 |
| 2 | https://linktr.ee/ostercfx | 403 | HTTP/2 403 |
#1 URL https://osterc.net:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://linktr.ee/ostercfx
HTTP Status Code 403
Status HTTP/2 403
Performance
| DNS Lookup | 4.1 ms |
| TCP Connect | 5.2 ms |
| TLS Handshake | 7.5 ms |
| Time To First Byte (TTFB) | 15.8 ms |
| Content Download | 0 ms |
| Total Response Time | 15.8 ms |
DNS Lookup 4.1 ms
TCP Connect 5.2 ms
TLS Handshake 7.5 ms
Time To First Byte (TTFB) 15.8 ms
Content Download 0 ms
Total Response Time 15.8 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| Referrer Policy | origin-when-cross-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
Referrer Policy origin-when-cross-origin
HTTP/2 ⚠ HTTP/1.1
HTTP Headers
| Server | Varnish |
| Retry-after | 0 |
| Accept-ranges | bytes |
| Date | Tue, 21 Jul 2026 14:47:37 GMT |
| Via | 1.1 varnish |
| X-served-by | cache-par-lfpb1150030-PAR |
| X-cache | MISS |
| X-cache-hits | 0 |
| X-timer | S1784645258.747775,VS0,VE1 |
| X-lt-cache | E-ERR |
| Referrer-policy | origin-when-cross-origin |
| Content-length | 0 |
Server Varnish
Retry-after 0
Accept-ranges bytes
Date Tue, 21 Jul 2026 14:47:37 GMT
Via 1.1 varnish
X-served-by cache-par-lfpb1150030-PAR
X-cache MISS
X-cache-hits 0
X-timer S1784645258.747775,VS0,VE1
X-lt-cache E-ERR
Referrer-policy origin-when-cross-origin
Content-length 0
