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Diagnóstico cURL

URL objetivo: https://vps-1a0696e8.vps.ovh.net/

EscenarioHTTPTamañoTiempoIP ResueltaContent-TypeURL finalError
Petición al propio dominio (Loopback) 200 0 B 76 ms 51.178.80.239 text/html; charset=UTF-8 https://vps-1a0696e8.vps.ovh.net/
Detalles y comando para terminal 
Comando cURL equivalente:
curl -I --connect-timeout 15 -m 15 -A 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36' -4 'https://vps-1a0696e8.vps.ovh.net/'
--- CABECERAS DE RESPUESTA ---
HTTP/2 200 
server: nginx
date: Sun, 09 Nov 2025 02:52:48 GMT
content-type: text/html; charset=UTF-8
vary: Accept-Encoding
link: <https://vps-1a0696e8.vps.ovh.net/wp-json/>; rel="https://api.w.org/"
strict-transport-security: max-age=31536000;
Petición sin Referer 200 51,027 B 125 ms 51.178.80.239 text/html; charset=UTF-8 https://vps-1a0696e8.vps.ovh.net/
Detalles y comando para terminal 
Comando cURL equivalente:
curl -v -o /dev/null -L --max-redirs 5 --connect-timeout 15 -m 15 -A 'DiagCurl/1.0 (+https://tu-sitio.com/curl-test)' -H 'Accept: */*' -4 'https://vps-1a0696e8.vps.ovh.net/'
--- CABECERAS DE RESPUESTA ---
HTTP/2 200 
server: nginx
date: Sun, 09 Nov 2025 02:52:48 GMT
content-type: text/html; charset=UTF-8
vary: Accept-Encoding
link: <https://vps-1a0696e8.vps.ovh.net/wp-json/>; rel="https://api.w.org/"
vary: Accept-Encoding
strict-transport-security: max-age=31536000;
Petición con Referer 200 51,027 B 119 ms 51.178.80.239 text/html; charset=UTF-8 https://vps-1a0696e8.vps.ovh.net/
Detalles y comando para terminal 
Comando cURL equivalente:
curl -v -o /dev/null -L --max-redirs 5 --connect-timeout 15 -m 15 -A 'DiagCurl/1.0 (+https://tu-sitio.com/curl-test)' -e 'https://vps-1a0696e8.vps.ovh.net/' -H 'Accept: */*' -4 'https://vps-1a0696e8.vps.ovh.net/'
--- CABECERAS DE RESPUESTA ---
HTTP/2 200 
server: nginx
date: Sun, 09 Nov 2025 02:52:48 GMT
content-type: text/html; charset=UTF-8
vary: Accept-Encoding
link: <https://vps-1a0696e8.vps.ovh.net/wp-json/>; rel="https://api.w.org/"
vary: Accept-Encoding
strict-transport-security: max-age=31536000;
Petición sin verificar TLS 200 51,027 B 88 ms 51.178.80.239 text/html; charset=UTF-8 https://vps-1a0696e8.vps.ovh.net/
Detalles y comando para terminal 
Comando cURL equivalente:
curl -v -o /dev/null -k -L --max-redirs 5 --connect-timeout 15 -m 15 -A 'DiagCurl/1.0 (+https://tu-sitio.com/curl-test)' -e 'https://vps-1a0696e8.vps.ovh.net/' -H 'Accept: */*' -4 'https://vps-1a0696e8.vps.ovh.net/'
--- CABECERAS DE RESPUESTA ---
HTTP/2 200 
server: nginx
date: Sun, 09 Nov 2025 02:52:48 GMT
content-type: text/html; charset=UTF-8
vary: Accept-Encoding
link: <https://vps-1a0696e8.vps.ovh.net/wp-json/>; rel="https://api.w.org/"
vary: Accept-Encoding
strict-transport-security: max-age=31536000;
Petición con UA de Navegador 200 51,027 B 118 ms 51.178.80.239 text/html; charset=UTF-8 https://vps-1a0696e8.vps.ovh.net/
Detalles y comando para terminal 
Comando cURL equivalente:
curl -v -o /dev/null -L --max-redirs 5 --connect-timeout 15 -m 15 -A 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36' -e 'https://vps-1a0696e8.vps.ovh.net/' -H 'Accept: */*' -4 'https://vps-1a0696e8.vps.ovh.net/'
--- CABECERAS DE RESPUESTA ---
HTTP/2 200 
server: nginx
date: Sun, 09 Nov 2025 02:52:48 GMT
content-type: text/html; charset=UTF-8
vary: Accept-Encoding
link: <https://vps-1a0696e8.vps.ovh.net/wp-json/>; rel="https://api.w.org/"
vary: Accept-Encoding
strict-transport-security: max-age=31536000;
Petición HTTP (espera redirect) 200 51,027 B 105 ms 51.178.80.239 text/html; charset=UTF-8 https://vps-1a0696e8.vps.ovh.net/
Detalles y comando para terminal 
Comando cURL equivalente:
curl -v -o /dev/null -k -L --max-redirs 5 --connect-timeout 15 -m 15 -A 'DiagCurl/1.0 (+https://tu-sitio.com/curl-test)' -e 'https://vps-1a0696e8.vps.ovh.net/' -H 'Accept: */*' -4 'http://vps-1a0696e8.vps.ovh.net/'
--- CABECERAS DE RESPUESTA ---
HTTP/1.1 301 Moved Permanently
Server: nginx
Date: Sun, 09 Nov 2025 02:52:48 GMT
Content-Type: text/html
Content-Length: 162
Connection: keep-alive
Location: https://vps-1a0696e8.vps.ovh.net/

HTTP/2 200 
server: nginx
date: Sun, 09 Nov 2025 02:52:48 GMT
content-type: text/html; charset=UTF-8
vary: Accept-Encoding
link: <https://vps-1a0696e8.vps.ovh.net/wp-json/>; rel="https://api.w.org/"
vary: Accept-Encoding
strict-transport-security: max-age=31536000;
Pistas rápidas:
– Falla «Petición al propio dominio»: El servidor no puede conectarse a sí mismo (firewall, DNS local o NAT loopback).
– Falla «sin Referer» pero funciona «con Referer»: Protección antileech (hotlinking).
– Falla con UA por defecto pero funciona «con UA de Navegador»: WAF/CDN bloqueando User-Agents sospechosos.
– Solo funciona «sin verificar TLS»: Problema con la cadena de certificados SSL del servidor de origen.
– Solo funciona con resolve_ip: Problema de NAT loopback / hairpinning.
– Error `Could not resolve host`: Problema de DNS en el servidor donde corre PHP.