When you have several domain names with different extensions and you would like all of them to open the exact same Internet site, you can have the Internet site under one of them and forward all the rest. There are different methods to forward one Internet domain name to another, among them the so-called domain parking. If your web hosting plan allows it, though, it'll be better if you host all the domains and set up 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, email addresses, and so forth., while with a parked domain you are unable to do any of those things. As an illustration, if you're building localized sites under several country-code domain names, you'll be able to work on them, but meanwhile, visitors will be forwarded to the main site.