Login to your DirectAdmin account.
In the
Account Managersection, click on theSubdomain Managementicon or type “Subdomain” in theNavigation Filterbox and then the option will appear. Click on it.
In the top right-hand side, click on the
Add Subdomainbutton.
Under “Subdomain”, enter your subdomain name you wish to create.
Click on the
Add Subdomainbutton.
Your subdomain will be created.