Hi @michael149 I can see you did not share the domain name in the ticket, but can share the following steps within the current SSL for SaaS architecture to remove a Custom Hostname yourself if you are using Cloudflare on your domain:
Please let us know if this resolving the issue for you, or if you need further help.
I added the hostname(s) to the ticket, sorry about that.
The Custom Hostnames feature was not even enabled (I did enable it just now) but there are no custom hostnames configured there.