**URGENT: Persistent 404: NOT_FOUND on custom domain onyx-drift.com despite Successful Build and Manual Promotion.** Hello Support Team, I am experiencing a critical infrastructure issue. My domain onyx-drift.com is stuck on a 404 error, even though Vercel’s internal checks confirmed: 1. **Build is Successful** (Output: client/dist/index.html is confirmed). 2. **Deployment is READY** and manually promoted to production. 3. **The issue is on the platform side** (routing/deployment mapping). I cannot submit a ticket due to my Hobby plan. Please help resolve this Edge Network issue immediately.
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"Thank you, Pawlean, for the detailed troubleshooting guide.
I have followed the steps you provided, but I believe the issue is related to Edge Network Routing rather than a standard 404 configuration error like a missing index.html or an incorrect build output.
Here are the relevant details based on your guide:
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Domain Configuration: My domain shows a ‘Valid Configuration’ status in the Vercel dashboard.
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Observed Error: I am getting [Mention the exact error here, e.g., a browser-specific DNS Error/No Response, OR the Vercel white 404 screen with its specific Code and ID if you see it]. It seems my site is not reaching the Vercel Edge Network successfully.
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Project Details: For your internal review, the Deployment URL or Project ID is:
https://onyx-drift-app-final-git-main-naimusshakib582-pixels-projects.vercel.app/ **Failing Custom Domain:** My custom domain is consistently showing the 404 error: 👉 **[Custom Domain]:**https://www.onyx-drift.com/` (oronyx-drift.com) `
Could you please check the routing and DNS propagation for this specific deployment internally? Your help is greatly appreciated.
Thank you."