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Error 1014

Error 1014: CNAME Cross-User Banned

This error indicates that a CNAME record between domains in different Cloudflare accounts is prohibited.

Common cause

By default, Cloudflare prohibits a DNS CNAME record between domains in different Cloudflare accounts. CNAME records are permitted within a domain (www.example.com CNAME to api.example.com) and across zones within the same user account (www.example.com CNAME to www.example.net) or using our Cloudflare for SaaS ↗ solution.

Another common cause is connecting a custom domain to an R2 bucket, where the domain is an active zone with the zone hold feature enabled or if the zone is banned.

Resolution

  • To allow CNAME record resolution to a domain in a different Cloudflare account, the domain owner of the CNAME target must use Cloudflare for SaaS.
  • To allow connecting to a R2 bucket with a custom domain, disable the zone hold feature on the custom domain target zone to resolve the 1014 error.
  • To allow connections to an R2 bucket whose zone is banned, first check whether there is any phishing report for the hostname (and request a review if there is one). If this does not resolve the issue, contact your account team.