Domain stuck on x-railway-fallback after a delete+recreate
dragos-c
HOBBYOP

12 days ago

Looking for a help if anyone has
seen this.

The domain api.getomaka.com returns the Fastly fallback page
(404 "Application not found") even though:

✅ DNS resolves to the correct requiredValue (verified on
1.1.1.1 + 8.8.8.8)
✅ The customDomain is registered on the service per
domains(...) GraphQL query (status DNSRECORDSTATUS_PROPAGATED
before I turned on Cloudflare proxy)
✅ Same service responds 200 on its other custom domain
(api.ikanos.ro) and on
ecosystem-public-api-production.up.railway.app
✅ TLS cert is valid (Let's Encrypt, fresh)
✅ Cloudflare proxy ON — same setup as the working domain
✅ Service deployed twice successfully after the rebind

Timeline:

  • ~21:57 UTC yesterday: I deleted the original Project that owned
    this domain and let ecosystem-public-api (different project,
    same team) pick it up.

  • ~07:09 UTC today: noticed Fastly was still routing to the old
    per-domain CNAME. Did customDomainDelete + customDomainCreate
    via API → got a fresh requiredValue.

  • ~07:10 UTC: updated Cloudflare CNAME to the new target.

  • It's now 09:00+ UTC and still 404. x-railway-fallback: true.

    Looks like the host-based routing entry on Fastly never got
    republished after the rebind. Anything I can do client-side to
    force a refresh, or do I need someone with internal access to push
    it?
    Thanks!

1 Replies

12 days ago

That 404 page is Railway's, not Fastly's

Could you screenshot the service's custom domains section and the DNS records that Railway rquested?


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