CNAME from external domain (error 1001)

Website, Application, Performance DNS & Network
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this is the current scenario:

  • Our client created a subdomain 'f5.domain1.com’ CNAME pointing to 'f5.domain2.com’
  • '*.domain2.com’ is fully proxied and DNS managed on cloudflare
  • '*.domain1.com’ is and external domain with redirects setup as above

when we do a tracert it show proper redirection to 'f5.domain2.com’, however when we open 'f5.domain1.com’ on the browser we get error message
‘Error 1001 Ray ID: 806bc160ecff242d
DNS resolution error’

Do you have any suggestions on how to address this problem? I searched through the support documentation but couldn’t find anything helpful. Thank you in advance!

4

You need to use Cloudflare for SaaS if you want to point another domain via CNAME to a proxied domain.

5

We subscribed to the Pro account, can you elaborate on how to activate this SaaS feature and where do we configure this properly?

6

The link in my previous post will take you straight to the relevant documentation, which will answer these questions.

7

thanks for the response, the custom hostname is now active and pending propagation

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