Since our ordering system does not allow the use of subdomains when submitting your order, you can simply enter the subdomain as a domain and then submit a change request after the order is complete.
For example, if you wanted to use: "mysubdomain.mydomain.com"
You can simply submit the order using the domain as "mysubdomainmydomain.com" and then submit a change request after the order is complete to have it changed to "mysubdomain.mydomain.com".
