The hostname is using Cloudflare and cannot be activated with an TXT or HTTP validation token. To activate the custom hostname, the DNS target needs to point to the SaaS zone
What is the issue you’re encountering
The custom hostname is not resolving to the saas provider domain, despite A record pointing to SaaS IP addresses
What steps have you taken to resolve the issue?
The custom domain has A records setup, pointing to the SaaS Provider’s IP addresses. They also have the CNAME for www pointing to the root of their domain.