Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
403 Forbidden - s3ai.com
HTTP Status: 403
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Fri, 16 May 2025 22:23:28 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
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=(),autoplay=(),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="940e479bffe070d3"
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN
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
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=M8xV%2BfGBVFLz2kVScKo9zrjViBIZwOA%2FDydX0K2EpI7PuGzIY6dRRHml%2BsRb%2F8wRa0fM3Z9ail%2Bv1MTd%2BckgVfYGUgQS5zHLs1TdCap4xSqL3GX0cntT3eEmjijuoTDUR6Fd%2Br0iAQ%3D%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 940e479bffe070d3-ARN
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=TCP&rtt=7641&min_rtt=7641&rtt_var=3820&sent=1&recv=3&lost=0&retrans=0&sent_bytes=0&recv_bytes=164&delivery_rate=0&cwnd=249&unsent_bytes=0&cid=0000000000000000&ts=0&x=0"

HTTP Code 403 Forbidden

403 Forbidden indicates that access to the requested resource is denied, even with authentication.

When is Code 403 used?

  • When accessing restricted content without necessary permissions
  • When security rules block a request
  • When an IP address is banned

What does Code 403 mean for the user?

The user is informed that they do not have permission to access the resource.

GET / HTTP/1.1
Host: s3ai.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="360"></head><body><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "s3ai.com",cType: 'managed',cRay: '940e479bffe070d3',cH: '5mXck0D.VYLMQxCbn2Bh6HW5MC_o6HXxr4fe7TLOSlk-1747434208-1.2.1.1-RTpz6yDQpkq6DWc9icC8osabXXXoT5.Ro6JUCyBAq4T_99_P3Az4tWuihrExi18I',cUPMDTk: "\/?__cf_chl_tk=swjxWVPRC6eD.bcWS2kCdCO0q_t0lFBVnM.9rFApl7s-1747434208-1.0.1.1-5fi3snIFApnp8X6104dgjOQ6LaMOiG_.y1kgemMBBcc",cFPWv: 'g',cITimeS: '1747434208',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/?__cf_chl_f_tk=swjxWVPRC6eD.bcWS2kCdCO0q_t0lFBVnM.9rFApl7s-1747434208-1.0.1.1-5fi3snIFApnp8X6104dgjOQ6LaMOiG_.y1kgemMBBcc",md: "2mZmd2LuucPvXx..cN8H2rwOKyXrEMIGWLcu00lQuuM-1747434208-1.2.1.1-qEAFIXDeQ9tLL7X.yUvBln5NF_GY.Sq98uY_V8MUl.dyWzFFS3SwTM.OWF0DbVeWrwg138bBwYi4ajS4Hb.ZZ1iHw3f9WS1yZFZQxaCkb8YhioCy4HZ67UcPJ5Myl.qnRnwAb2X_6Ap3lVbd5mK4bIkZWK1akQd5V8TofRTgQ.ibLVgq51r9cJNvWALQXmsc_5CDuhjM0K6.RgjO75YYCoqSuOcnBHbXFPU2UhZEhUPYrzALnXY4RamXhrzucHUKyu3v7B0dwZYeO9Lsbrvr_f04gmhFjRTr1ypq6Lv4ZVoMzSiillGbLnNt_eQj1awMv2LBBOfi13YBmj_r0eKNzDSAoapnkZRkBO4oRqHB27yk6JQ0YByCG5OpDm9y7Q6RpU7d__HPcgryfNyqig1HK09STW8OoxRqp6ApQihVaqhTSls_NTiNHdOKFJDTcl2Q3OEo1_6lUzT1_dNU3v_UCHJfM2K9d37orcSL1jcOgUZZwqMBrK3oru2_rcaElwof5RWuqaw2KpKc9cLY3.Ct7xWxG932icWOdA3bkjlBGOWTfvRPVQyVSxqTLuim4yGyf06X7jT0Ed8b0UI95qfAHJE6Jhui2BjYI01KxjjZVw2IDtERa6p4mhLDmT9pwFEHuliH9gMnf9QTeMOfbaHAr8AFMESD3kXuSGMbYeE69Fs3vSOPVT30u_5VaTdJTMv1_GNKPaPRh0j8QCdhBuwTkyUXS1uPP57rNGBcUlon8igD2MzWEgkC_nWyvBOISFTmm3HnimUOnTqqMZf7t_xxrkrqZ5ApcyheObq63GohYzbjkXaDMWXt41pCFB7a4WKA6BPmAXpbAkDtGGIVnLdOSewWTWynBK2zc2RfKcrzDzWX8AHpnI6L1X1w7MYJ3Rnlde9gMu7_uj0sCd.45Up2R3q61k7Xa4OsY7ns_uDdR19YBLdCpZtMLIWIk6.RrZb4Ekaczm1BIEb9OyjNwevIatuQAzFmtmov4LT4q3YDw9an4E1rTzcJ68pe97fw0RPAAw4N3iRmoeppx21V0QHzThjX9tawjckTeqHVws1VR5M",mdrd: "F7V48TEiWkFFySYhNwE7FEdU8Z34_TndMyekWtDg6Do-1747434208-1.2.1.1-oJgRExc50hwtIA2ycV9lma3TltZS.Oo115CAjljz69tPWEz5iuQ9AyMj3HgIMlSKmGrUDxMjiWcbC6m4Z5.PTZWqMHXstnDSWXmn7BBlN54kXJEp9RycogsxDau9Ij5taCLRpS4qlDpxfx863MU41wrXV4FQwbnrBHvEy7R3VRieV88eOLVsXuQPTMAlpjmKF0oUxDFPJLz1s2xDxL3g8XE8_aYybqsPYE4WNQPwnDu2BcaEaurZcRYTOgO1AFGZGhcQnvpFZxjXIqwTl6FZiZ1kNEnRnMXH2u9DagANJj4nBC37jWktYX3.OLJPsSXg36FJhrn1YzYm9PxH.TV7O_r7eU0_L23MHdzhMdJ0E7YElrgaWa6ka_fCyWf5y_cG4CdDduwSeWpSfPtMKa7FiM.pEqbrBtQtfHrsLA4lcyONFNyp0mye5vxfAhA959Oc89g7Knl9.RfwZjh6HyhKr0_pApKLXAUBG8KeY5wFkZ1dG7tmXnHvss_VUR7K3QPEpqAuKHM5yMVz8UHc29GIvBWk4K8wyIC58SUkEjVgOZlOkH71aAyD4iP1gLwtjr8SD6D6sO.o3Q2E7IkrHqXiyW6kjV5FbF6BAMVLTlOjI0onVERf8xdDLuuY2nGtctzxUMxIWLqUCEVF8ZlZpSg3BMvy3NYC2FNTUArTZGlgjsc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=940e479bffe070d3';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/?__cf_chl_rt_tk=swjxWVPRC6eD.bcWS2kCdCO0q_t0lFBVnM.9rFApl7s-1747434208-1.0.1.1-5fi3snIFApnp8X6104dgjOQ6LaMOiG_.y1kgemMBBcc" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>                               

Whois info of domain

Domain Name: S3AI.COM
Registry Domain ID: 2817556759_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.gname.com
Registrar URL: http://www.gname.com
Updated Date: 2024-11-03T14:54:35Z
Creation Date: 2023-09-27T18:28:23Z
Registry Expiry Date: 2025-09-27T18:28:23Z
Registrar: Gname.com Pte. Ltd.
Registrar IANA ID: 1923
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +65.65189986
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: GAIL.NS.CLOUDFLARE.COM
Name Server: HENRY.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-16T22:23:16Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
NOTICE: The expiration date displayed in this record is the date the
TERMS OF USE: You are not authorized to access or query our Whois
by the following terms of use: You agree that you may use this Data only
to: (1) allow, enable, or otherwise support the transmission of mass