We are getting the following error from hubspot after making all of the entries according to their Connect your Domain support pages.
Hubspot settings for connecting your Cloudflare domain.
Connect a new domain
In your HubSpot account, click the settings icon in the main navigation bar.
In the left sidebar menu, navigate to Website > Domains & URLs.
Click Connect a domain.
Select the type of domain you want to connect: …
Click Connect then wait,
Once it comes back we get the following consistent error.