Error codes
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, ordeleted. | Fallback is not active. | 
| Custom hostname does not CNAMEto this zone. | Zone does not have apex proxying entitlement and custom hostname does not CNAME to zone. | 
| None of the AorAAAArecords 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 Arecord. | 
| This account and the pre-generated ownership validation token was not found. | Hostname does not CNAMEto zone or none of theA/AAAArecords match reserved IPs for zone. |