The hubspot domain is clunky. A saw it was possible to redirect and use a different domain name at my hosting provider.
I own the domain ProductiveLawOffice.com and pay for hosting at InMotion hosting.
I added a subdomain Enroll “enroll.productivelawoffice.com”
In Domains & URLs it looked like I could connect to my existing domain.
When I click on “Continue”,
I get the following.