Información Técnica
| Código de estado HTTP | 521 |
| Versión HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Dirección IP | 104.21.20.90 |
| Software del servidor | cloudflare |
| CDN | Cloudflare |
|
ℹ 🔵 Falta HSTS | No se ha configurado HTTP Strict Transport Security. Recomendado para sitios HTTPS. |
|
ℹ 🔵 Falta Content Security Policy | No se ha configurado CSP. Ayuda a prevenir ataques XSS e inyección de contenido. |
Código de estado HTTP 521
Versión HTTP HTTP/1.1
HTTPS ✔ Disponible
Dirección IP 104.21.20.90
Software del servidor cloudflare
CDN Cloudflare
ℹ 🔵 Falta HSTS No se ha configurado HTTP Strict Transport Security. Recomendado para sitios HTTPS.
ℹ 🔵 Falta Content Security Policy No se ha configurado CSP. Ayuda a prevenir ataques XSS e inyección de contenido.
Rendimiento
| Resolución DNS | 5.2 ms |
| Conexión TCP | 6.5 ms |
| Negociación TLS | 10.4 ms |
| Tiempo hasta el primer byte (TTFB) | 204.6 ms |
| Descarga de contenido | 0.1 ms |
| Tiempo total de respuesta | 204.7 ms |
Resolución DNS 5.2 ms
Conexión TCP 6.5 ms
Negociación TLS 10.4 ms
Tiempo hasta el primer byte (TTFB) 204.6 ms
Descarga de contenido 0.1 ms
Tiempo total de respuesta 204.7 ms
Seguridad
| HTTPS | ✔ Activado |
| HSTS | ✘ No configurado |
| CSP | ⚠ No configurado |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ⚠ No configurado |
| Política de Referrer | same-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Activado
HSTS ✘ No configurado
CSP ⚠ No configurado
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ⚠ No configurado
Política de Referrer same-origin
HTTP/2 ⚠ HTTP/1.1
Comprobación SEO
| Título | zagoonline.com | 521: Web server is down |
| Robots Meta | noindex, nofollow |
Título zagoonline.com | 521: Web server is down
Robots Meta noindex, nofollow
Tecnologías Detectadas
| Tecnología | Google Analytics Cloudflare |
Tecnología Google Analytics Cloudflare
Cabeceras HTTP
| Date | Fri, 24 Jul 2026 11:42:55 GMT |
| Content-type | text/html; charset=UTF-8 |
| Cf-ray | a202aa08cf3c0481-CDG |
| Access-control-allow-origin | * |
| Cache-control | private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 |
| Expires | Thu, 01 Jan 1970 00:00:01 GMT |
| Retry-after | 120 |
| Server | cloudflare |
| Access-control-allow-headers | Content-Type, Authorization, X-Requested-With |
| Access-control-allow-methods | GET, POST, PUT, DELETE, OPTIONS |
| Referrer-policy | same-origin |
| X-frame-options | SAMEORIGIN |
| Report-to | {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=7sHljT4O%2B6FWAYn2aUazeroJqW%2FmC7%2FtXBoWg827JyHD2VWpiy6%2BDHaCD0EWRjtFwasbAeFOSCutzbM2cO9Lu6GJaWxYVKYp29O%2FvMl8rrVfd4gNIUI4rQCMccGwqciY8B5nYndpKGRMIfHBZA%3D%3D"}]} |
| Nel | {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| Alt-svc | h3=":8443"; ma=86400 |
Meta Tags
| Content-Type | text/html; charset=UTF-8 |
| X-UA-Compatible | IE=Edge |
| Robots | noindex, nofollow |
| Viewport | width=device-width,initial-scale=1 |
Date Fri, 24 Jul 2026 11:42:55 GMT
Content-type text/html; charset=UTF-8
Cf-ray a202aa08cf3c0481-CDG
Access-control-allow-origin *
Cache-control private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires Thu, 01 Jan 1970 00:00:01 GMT
Retry-after 120
Server cloudflare
Access-control-allow-headers Content-Type, Authorization, X-Requested-With
Access-control-allow-methods GET, POST, PUT, DELETE, OPTIONS
Referrer-policy same-origin
X-frame-options SAMEORIGIN
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=7sHljT4O%2B6FWAYn2aUazeroJqW%2FmC7%2FtXBoWg827JyHD2VWpiy6%2BDHaCD0EWRjtFwasbAeFOSCutzbM2cO9Lu6GJaWxYVKYp29O%2FvMl8rrVfd4gNIUI4rQCMccGwqciY8B5nYndpKGRMIfHBZA%3D%3D"}]}
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Alt-svc h3=":8443"; ma=86400
