I am sure that you are all familiar with Google, so it is then very interesting for you to know that the first part of the domain name which is the www actually stands for the host server, that is the World Wide Web where in the site is found. The second part then which is the google identifies the company or the organization name. Therefore in changing registered Domain Name Server information, the domain name will resolve with the average of 50 percent of the period to the primary name server and also 50 percent of the period to the secondary name server. There are further resources which state that if ever that you have an Internet Protocol address of your hosting server, it is better that in changing your registered domain name, you use the URL-forwarding service which is now offered by most domain name companies. But what then are domain name extensions? The domain name extensions are basically a top-level domain names such as .com, .org, .net, and others. This is considered to be a top most part of the domain names under which all of the domains are registered. For particular emphasis, domain name extensions such as the . With the presence of the domain name registrars, your desire for domain names will be made possible. But what really are domain registrars? In a most concrete identification, the domain name registrars are actually companies that register domain names for those who love to own a domain name. And for everybody to comprehend the real nature of domain name registrars and the nature of their work and their role in domain name registration, one must then learn about the ICANN or the International Corporation for Assigned Names and Numbers. So as result, it is therefore important that the domain name must have matching IP address for it to function correctly. This is also one of the best explanations that show how the domain name and IP address are connected. This explanation alone led to the association between the two and thus being identified as a domain name IP address. This is the most popular and foremost question when it comes to domain name extension. Many people were really asking that question times every time a subject about domain name and its extensions is tackled. Well, fortunate for them that they are actually left with answers on their hands. However, many of the people today are still not aware of the nature of domain name extension and its types especially those who haven't heard anything about domain names.