DNS CNAME ERROR 1014: CNAME Cross-User Banned. Trying to setup a custom notion site

[root27]

What is the name of the domain?

external.notion.site and codex.sh3ll.co

What is the error number?

1014

What is the error message?

Error 1014 Ray ID: 8fa0f3ddcc27676d • 2024-12-30 09:20:12 UTC CNAME Cross-User Banned

What is the issue you’re encountering

Can’t setup a custom domain on notion due to them using cloudflare. I purchase this feature with Notion and this is a legit usecase.

What steps have you taken to resolve the issue?

Reached out to notion support and to cloudflare community.

What feature, service or problem is this related to?

DNS records

What are the steps to reproduce the issue?

Create a CNAME record pointing to any site managed by Cloudflare DNS, even if its a professional/purchased relationship/feature.

Screenshot of the error

[sjr]

Contact Notion to check their end is set up correctly for your custom domain.

[root27]

Ok, im reaching out to them. Hope there is something they can do.

[root27]

After reaching out to Notion, they resolved this issue. I had to republish.