Im thinking of a hosting website(i think it is not allowed) with a form and you can fill this form like sub-subdomain, the cms, Email, reason to be picked, username and password and it is manually choosen and if choosen i create a subdomain and use a cms that they wanted and i email them about the site address username and password
Other Information
Im thinking this while Im bored. If this is not allowed it is ok. And it uses alot of sub-subdomain