If you’re using a custom domain for your XP courses, you’ll need to use your root domain. Your root domain is the domain name that you registered for your website.
In other words, the address where you host your XP courses will look something like this:
What’s a subdomain?
A subdomain is an additional part to your domain name, which can be used to navigate to different sections of your website.
A subdomain would look something like this:
In the future we may add the possibility to set up your custom domain with a subdomain; but for the moment you’ll need to use your regular domain name that you registered.
To set up your custom domain, check out the steps right here.