Error codes (5)

Last updated Apr 15, 2026 When you validate a custom hostname, you might encounter the following error codes.

Error Cause
Zone does not have a fallback origin set. Fallback is not active.
Fallback origin is in a status of initializing, pending_deployment, pending_deletion, or deleted. Fallback is not active.
Custom hostname does not CNAME to this zone. Zone does not have apex proxying entitlement and custom hostname does not CNAME to zone.
None of the A or AAAA records are owned by this account and the pre-generated ownership validation token was not found. Account has apex proxying enabled but the custom hostname failed the hostname validation check on the A record.
This account and the pre-generated ownership validation token was not found. Hostname does not CNAME to zone or none of the A/AAAA records match reserved IPs for zone.

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Error codes (5) - 图1Docs

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description: Verify domain ownership before customer traffic begins proxying through Cloudflare. title: Pre-validation image: https://developers.cloudflare.com/cloudflare-for-platforms/cloudflare-for-saas/domain-support/hostname-validation/pre-validation/og.png?v=b60fcd44c8fb22d3

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