Domain > api-school.umbalena.vn

More information on this domain is in AlienVault OTX

DNS Resolutions

Date	IP Address
2025-12-14	172.67.72.3 (ClassC)

HTTP/1.1 403 ForbiddenDate: Sun, 14 Dec 2025 17:33:51 GMTContent-Type: text/html; charsetUTF-8Content-Length: 6564Connection: 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;desc9adf72dab8dc816ex-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?sTWsrIX6jGGVZOHrQBPosAavNz3H059reXIXCZKxkweT1DXgaFjx28fxWPdJjX7uCg6FzKVpL%2Fd0q%2B2ZREEOeO6D45191QXDwhkuubgUwnsHp1fBGjiMJAtmjDcY5%2F%2F6iv2k50avJ2MU%3D},group:cf-nel,max_age:604800}NEL: {success_fraction:0,report_to:cf-nel,max_age:604800}speculation-rules: /cdn-cgi/speculationServer: cloudflareCF-RAY: 9adf72dab8dc816e-PDXalt-svc: h3:443; ma86400server-timing: cfL4;desc?protoTCP&rtt6072&min_rtt5976&rtt_var1740&sent4&recv6&lost0&retrans0&sent_bytes2853&recv_bytes733&delivery_rate484605&cwnd252&unsent_bytes0&cid99b6deb66efb0ac6&ts31&x0

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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 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Domain > api-school.umbalena.vn

Is this malicious?

DNS Resolutions

Port 80

Port 443