For that matter, the domain name extensions whether it is a dot com, dot net, or dot uk domain name, are then the top most part of the domain names under which all of the domain names are registered. Of course there are several types of domain names, and it is just interesting to know that each type of the domain name extension has its own functions and uses. Today, as domain names continues to become a commodity; many people have particular desires to buy a domain name and particularly to sell a domain name. Generally, to sell a domain name, which is the main focus of this article, involves a not so easy process. If buying a domain name involves some processes, to sell a domain name is also to undergo different steps. In terms of a country by country basis, the common domain name extensions are based on the two-character ISO country codes and this is for the main reason that many countries offered these kinds of domain name extensions. Among such kind of domain name extensions is the .fr for France, .jp for Japan, and so on and so forth. Speaking of those purposes, one is noted that if you have a new web site or even an email account, your web hosting or the Internet Service Provider will ask you to change your registered Domain Name Server information in order to make your registered domain name to be connected to your web site and so your email account can be setup. In fact, when we do certain domain name registration, we are often required to choose what domain name suffix we want, and we are required to type in the accurate domain name with its appropriate domain name suffix. However, even if the domain name suffix is there since the birth of the concept for domain name, many people are still not aware about the nature of the domain name suffix. So speaking of this vehicle for determining who owns domain names, it is important that you check the ownership of a domain name in the whois database of the great domain name companies on the web today like the Network Solutions and the Bettr-Whois.com. For you to know who owns domain names, you need to type in the name of the domain name and the top level domain name such as .