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<h1>Hello from VM1 origin</h1>
<p>Host: aaa.cdngo.xyz</p>
<p>Origin server: 122.146.115.42 (VM1)</p>
<p>Path: \/sitemap.xml</p>
<p>Time: \2026-05-05T06:06:44+08:00</p>
<p>If you see this via http://aaa.cdngo.xyz/ then the cdngo CDN flow works:</p>
<ul>
  <li>Browser → Cloudflare DNS resolved aaa.cdngo.xyz to VM3 (122.146.115.31)</li>
  <li>VM3 nginx (CDN edge) reverse-proxied to origin VM1:80</li>
  <li>VM1 nginx returned this page</li>
</ul>
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