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Domain > 1.cf4-fab.workers.dev
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More information on this domain is in
AlienVault OTX
Is this malicious?
Yes
No
DNS Resolutions
Date
IP Address
2025-10-24
104.21.1.158
(
ClassC
)
Port 80
HTTP/1.1 400 Bad RequestDate: Fri, 24 Oct 2025 07:57:26 GMTContent-Type: text/htmlContent-Length: 155Connection: keep-aliveCF-Ray: 9937ec5cf9b1ff02-PDXServer: cloudflareVary: accept-encodingReport-To: {group:cf-nel,max_age:604800,endpoints:{url:https://a.nel.cloudflare.com/report/v4?sMdPssb%2BKRzHpmgi7YjKjfCt3lXk7zNOS%2BX8HYs4y7%2FREnYvlGzrvDNzqwnDjndGyK%2FgBaDdKTkD4FfIvEC%2Bs3QK5jvJFi1IyWEl999gznk3hBPQ%3D}}Nel: {report_to:cf-nel,success_fraction:0.0,max_age:604800}alt-svc: h3:443; ma86400 html>head>title>400 Bad Request/title>/head>body>center>h1>400 Bad Request/h1>/center>hr>center>cloudflare/center>/body>/html>
Port 443
HTTP/1.1 400 Bad RequestDate: Fri, 24 Oct 2025 07:57:26 GMTContent-Type: text/htmlContent-Length: 155Connection: keep-aliveCF-Ray: 9937ec5e3aa5758f-PDXServer: cloudflareVary: accept-encodingReport-To: {group:cf-nel,max_age:604800,endpoints:{url:https://a.nel.cloudflare.com/report/v4?sdYrEqkPJgK0puXRwxtPBLXUl7qKpemI%2BVYwhcWh6jVGIRrk4iHeAMvtj8GhUXzgB5jMM%2B4HbnmHlAy%2B35Z03nLcR2JGgprIc1b3uQTPb05%2FHIc7EYQ%3D%3D}}Nel: {report_to:cf-nel,success_fraction:0.0,max_age:604800}alt-svc: h3:443; ma86400 html>head>title>400 Bad Request/title>/head>body>center>h1>400 Bad Request/h1>/center>hr>center>cloudflare/center>/body>/html>
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