Domain > insite.browntextbook.com

More information on this domain is in AlienVault OTX

DNS Resolutions

Date	IP Address
2023-09-18	104.18.204.176 (ClassC)
2026-02-16	104.18.221.143 (ClassC)

HTTP/1.1 403 ForbiddenDate: Mon, 16 Feb 2026 09:53:32 GMTContent-Type: text/html; charsetUTF-8Content-Length: 6520Connection: closeaccept-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, UAcf-mitigated: challengecritical-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, UAcross-origin-embedder-policy: require-corpcross-origin-opener-policy: same-origincross-origin-resource-policy: same-originorigin-agent-cluster: ?1permissions-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-originserver-timing: chlray;desc9cec2892cf49b642x-content-type-options: nosniffx-frame-options: SAMEORIGINCache-Control: private, max-age0, no-store, no-cache, must-revalidate, post-check0, pre-check0Expires: Thu, 01 Jan 1970 00:00:01 GMTspeculation-rules: /cdn-cgi/speculationServer: cloudflareCF-RAY: 9cec2892cf49b642-PDX

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720px){.h2{line-height:1.5rem;font-size:1.25rem}}#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-equivrefresh content360>/head>body>div classmain-wrapper rolemain>div classmain-content>noscript>div classh2>span idchallenge-error-text>Enable JavaScript and cookies to continue/span>/div>/noscript>/div>/div>script>(function(){window._cf_chl_opt  {cvId: 3,cZone: insite.browntextbook.com,cType: managed,cRay: 9cec2892cf49b642,cH: eeSNy7GwJlrybtGoFAK_1Wvvgb29C8U3wpNNfUUAEM0-1771235612-1.2.1.1-0Dxcxeq_NeYJXZ4AR5pCQ63r22CmCXITbQT_EcT3eTe1jlPXLBFrQzHAqfa8phFL,cUPMDTk:\/?__cf_chl_tkrEz8K08L8ZJJnaNyL6LAf1a3Skaj0W3kp05C7Mqba4E-1771235612-1.0.1.1-2swHVopI1fFQk95nhoi9Z928aNad4GXy2Fz5hc2KEWo,cFPWv: g,cITimeS: 1771235612,cTplC:0,cTplV:5,cTplB: 0,fa:\/?__cf_chl_f_tkrEz8K08L8ZJJnaNyL6LAf1a3Skaj0W3kp05C7Mqba4E-1771235612-1.0.1.1-2swHVopI1fFQk95nhoi9Z928aNad4GXy2Fz5hc2KEWo,md: 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Domain > insite.browntextbook.com

Is this malicious?

DNS Resolutions

Port 80

Port 443