Domain Mapping error


I am getting an error when trying to map a domain to one of my Pro Sites on behalf of my client:

I am logged into the client dashboard to make the changes.

Their domain is Is see that their domain is pointing to my server correctly (IP Address:

I have tried disabling Verify domain’s DNS settings” and “Check domain propagation mapping” but that doesn’t help.

I have a dedicated IP address.

I have tried to map to a domain I own which currently points to my server to test but get the same error.

I have granted support access

Please advise.

Kind regards,

Justin Peach