When you have a lot of domain names with different extensions and you need all of them to open the same Internet site, you may have the site under one of them and forward the rest. There are a number of approaches to redirect one domain to another, such as the so-called domain parking. If your website hosting package deal permits it, though, it will be better if you host all the domains and create a URL redirect, not a domain redirect. The real difference between the two is that while a domain name is hosted, you may still have content for it, set up subdomains, e mail addresses, and many others., while with a parked domain it's not possible to do any of these things. For instance, if you are building localized sites under different country-code domain names, you will be able to work on them, but meanwhile, people will be redirected to the main website.