Follow these steps to set up your subdomain in Namecheap.
Since you are using a root domain, your custom domain will look like https://yourbusiness.com.
Log in to your Namecheap account and go to Domain List
-
Click on the Manage button for your domain in the list.
Go to Advanced DNS section.
-
Click on ADD NEW RECORD button.
Select ALIAS Record as the Type
Fill the Host and Target fields as seen on the custom domain setting page on NeetoCal.
Click the ✅ button to save the changes.
For more information, refer to the official documentation.