Question

Is Parked Domains are neccessary to popular the websites?

Answer 1

If you've purchased  www.yourdomain.com you’re probably also looking to purchase www.yourdomain.net, and various other extensions in order to prevent brand theft. In such cases you’re only going to be focusing on one site and leaving the others as they are. Such domains are termed as parked domains and most hosts allow a limited parked domains.

 

In this case you need to be re-directing all the parked domains to a main/home page of your main domain.