Navigate to the domain you want to setup under Domain List and click Manage. Under Advanced DNS you'll be adding a CNAME record for Uscreen.
Add the following record or edit your existing www CNAME record with the following:
Type - CNAME Record
Host - www
Value - dns.uscreen.io
TTL - 1 Hour
Your naked domain (example.com) should redirect to your www domain (www.example.com). You can set that up by following the steps below:
How to redirect your root domain to your www with Namecheap:
As above, click Manage next to the domain you're setting up:
Scroll down to Redirect Domain and click +Add Redirect:
Add your root domain (mydomain.com) on the left and your www domain (https://www.mydomain.com) to the right, then click Save
Once that's saved, you're all set!
Now visitors who will access mydomain.com will be redirected to www.mydomain.com automatically.