A subdomain is an additional part of your primary domain. Please, follow this tutorial to remove a subdomain in DirectAdmin.
1. Log in to your DirectAdmin Account.
2. In the Account Manager section, click on Subdomain Management. Alternatively, type Subdomain Management in Search for pages, and the option will appear. Click on it.
3. Under Subdomain Name, select the subdomain you want to remove, then click Delete.
4. If you also want to remove directory contents, check Remove Directory Content, then click Confirm.
The subdomain has been successfully removed.
