Website with IP address operates, but not after adding domain to Cloudflare

Up till the IP address is redirected from the primary domain name, Hubspot integration forms and chats function. But when directed from other domain names, everything functions well.

How can I entirely wipe out maindomainname’s DNS entries from the backend? The website was deleted from Cloudflare and added again, but the issue persists. Please assist.

Hello there,

Here’s the way out using the Liberate the hostname tool. Here’s the guide: