There is a new version for How to park a domain in cPanel (Jupiter theme)
Parked domains are additional domains hosted on your account which display the same website as your primary domain. For example, if your main domain is mydomain.com, you can park mydomain.net to point to your main domain.
You can even create e-mail addresses with a parked domain.
Parking a domain, you are not restricted to point it only to the main domain on your hosting. You can point it to any domain or any server. With parked domain you can manage DNS records from cPanel (A, MX, CNAME ...)
See our video instructions how to park domain on your hosting account: