What protocol should your websites use?
You have a hosting account, right? Let's put it through its paces.
The screen shots below were current at the time of writing, but things may have changed.
Go to https://reclaimhosting.com. Remember the right-click-and-open-in-new-tab trick. You can also open in a new window, and have this window and the new window side-by-side.
Make a screen shot of your subdomains cPanel page.