Domain > apptrac-client.vanguardscreen.com

More information on this domain is in AlienVault OTX

DNS Resolutions

Date	IP Address
2023-04-05	104.26.0.104 (ClassC)
2026-01-19	104.26.1.104 (ClassC)

HTTP/1.1 403 ForbiddenDate: Mon, 19 Jan 2026 05:19:08 GMTContent-Type: text/html; charsetUTF-8Transfer-Encoding: chunkedConnection: 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;desc9c03e01c6be8efbex-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 GMTReport-To: {endpoints:{url:https:\/\/a.nel.cloudflare.com\/report\/v4?s76R4PbwpQu4bNmEaZGKiTWT0rHeM5l22UL55zm9dWs0gNWYfH%2FHAmGGYP7pYqWGq8QcZyqZX2Uw1boKGE00DxOKcdWMG4FRBR0WaWsY7LdVpDHNId9JUuA4VhGrwLMIcQnSmE80MhjR2wcF%2BwGwzCsWMEVI%3D},group:cf-nel,max_age:604800}NEL: {success_fraction:0,report_to:cf-nel,max_age:604800}Strict-Transport-Security: max-age15552000; includeSubDomains; preloadServer: cloudflareCF-RAY: 9c03e01c6be8efbe-PDXalt-svc: h3:443; ma86400

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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: apptrac-client.vanguardscreen.com,cType: managed,cRay: 9c03e01c6be8efbe,cH: v_XGvQdWfCopwi9KpZH62G1ncmHUbEWnt5g4ycj4WW0-1768799948-1.2.1.1-QgSLMLftmXIOXKKb7SqgXhvg4jwksOUQnvyh5kaACLdoyzOahw4u3I1tuhcO5AkW,cUPMDTk:\/?__cf_chl_tkxlwsdr0aUJ0LoakDennxJyBIaY3PoCnELbUPN4XRO0I-1768799948-1.0.1.1-B.ARmrocULvlgK92mj1er2ZH9ZAS30ssF8h050Woy7E,cFPWv: b,cITimeS: 1768799948,cTplC:0,cTplV:5,cTplB: 0,fa:\/?__cf_chl_f_tkxlwsdr0aUJ0LoakDennxJyBIaY3PoCnELbUPN4XRO0I-1768799948-1.0.1.1-B.ARmrocULvlgK92mj1er2ZH9ZAS30ssF8h050Woy7E,md: 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Subdomains

Date	Domain	IP
preprod.vanguardscreen.com	2025-11-13	104.26.1.104
autodiscover.vanguardscreen.com	2025-02-26	172.67.74.28
apptrac-client.vanguardscreen.com	2026-01-19	104.26.1.104

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Domain > apptrac-client.vanguardscreen.com

Is this malicious?

DNS Resolutions

Port 80

Port 443

Subdomains