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HTTP/1 Web Server Online Tester

Execution date: Fri, 27 Mar 2026 05:56:31 GMT, URL: www.ietf.org, encryption: SSL/TLS enabled, test type: Query both.

IPv4 SSL/TLS enabled test results

OK
104.16.45.99
HTTP/1.1 403 Forbidden
Date: Fri, 27 Mar 2026 05:56:31 GMT
Content-Type: text/html; charset=UTF-8
Connection: close
Accept-Ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
Cf-Mitigated: challenge
Critical-Ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
Cross-Origin-Embedder-Policy: require-corp
Cross-Origin-Opener-Policy: same-origin
Cross-Origin-Resource-Policy: same-origin
Origin-Agent-Cluster: ?1
Permissions-Policy: accelerometer=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
Referrer-Policy: same-origin
Server-Timing: chlray;desc="9e2c26febb2b9c10"
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
set-cookie: __cf_bm=RXRJrkc3WmSsG6xTVDdD_GOFHbnWclYulKuHdY5cRG0-1774590991.155322-1.0.1.1-OY4QeTvTBgzF2CiEhrOcN..0E61OsANdwd1gYwrTPHnxiMgdgBNXvhrkMxjMHmp1fRkl9Zt1iNmUVR81sowiSp9vNftDhq8JzLf.1UpemGfkXB5ubyQj0d7NvJm27BAS; HttpOnly; Secure; Path=/; Domain=ietf.org; Expires=Fri, 27 Mar 2026 06:26:31 GMT
Server: cloudflare
CF-RAY: 9e2c26febb2b9c10-FRA
alt-svc: h3=":443"; ma=86400

IPv6 SSL/TLS enabled test results

OK
2606:4700::6810:2c63
HTTP/1.1 403 Forbidden
Date: Fri, 27 Mar 2026 05:56:31 GMT
Content-Type: text/html; charset=UTF-8
Connection: close
Accept-Ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
Cf-Mitigated: challenge
Critical-Ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
Cross-Origin-Embedder-Policy: require-corp
Cross-Origin-Opener-Policy: same-origin
Cross-Origin-Resource-Policy: same-origin
Origin-Agent-Cluster: ?1
Permissions-Policy: accelerometer=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
Referrer-Policy: same-origin
Server-Timing: chlray;desc="9e2c26ff3907d28d"
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
set-cookie: __cf_bm=w0BFaC4RDNzTudXyXgo390.FmJT4BPcVjtMF59faBRk-1774590991.234425-1.0.1.1-0KwV7Tqyi5ZG0W3ibczan4wpouIfx7MNFXfB6TJBkQcUOxIcIv29ikgNLTujze0c3nIjGl_chSzXbpaMGo0fsMvhzeiDurOhbUOs6SPx6GdwK1xFFVYBfoISJUMmNQXN; HttpOnly; Secure; Path=/; Domain=ietf.org; Expires=Fri, 27 Mar 2026 06:26:31 GMT
Server: cloudflare
CF-RAY: 9e2c26ff3907d28d-FRA
alt-svc: h3=":443"; ma=86400