Domain > 1sr.info521.cn

More information on this domain is in AlienVault OTX

DNS Resolutions

Date	IP Address
2021-02-28	156.239.111.88 (ClassC)
2026-02-19	104.21.27.5 (ClassC)

HTTP/1.1 404 Not FoundDate: Thu, 19 Feb 2026 11:26:09 GMTContent-Type: text/htmlTransfer-Encoding: chunkedConnection: keep-aliveServer: cloudflareNel: {report_to:cf-nel,success_fraction:0.0,max_age:604800}cf-cache-status: DYNAMICReport-To: {group:cf-nel,max_age:604800,endpoints:{url:https://a.nel.cloudflare.com/report/v4?s%2Bzj1HOMcuJ%2F1Nz08Qq5TevXW1Uj2ef1U80EFUbmIRMM5cqhW1ykd9%2B8%2FdoXzVtt5lya7lIm9ZRfEvLKns4HySpGhqIz%2FtBJ7I%2BY7Bg%3D%3D}}CF-RAY: 9d0568599894fef4-PDXalt-svc: h3:443; ma86400

html>head>title>404 Not Found/title>/head>body bgcolorwhite>center>h1>404 Not Found/h1>/center>hr>center>nginx/center>/body>/html>!-- a padding to disable MSIE and Chrome friendly error page -->!-- a padding to disable MSIE and Chrome friendly error page -->!-- a padding to disable MSIE and Chrome friendly error page -->!-- a padding to disable MSIE and Chrome friendly error page -->!-- a padding to disable MSIE and Chrome friendly error page -->!-- a padding to disable MSIE and Chrome friendly error page -->

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Domain > 1sr.info521.cn

Is this malicious?

DNS Resolutions

Port 443