So for you to not put some level of confusion to the part of the visitors, you must then register both versions of such website domain name. Since there are so many new websites today and the number of new website domain name registration increase every month, finding the right website domain name might be tough. 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. It is for the main reason that when someone lookup for a website, you are basically accessing this large database for all of the domain names entered through a domain name registration, and such database directs you to the necessary DNS to access their database to locate which computer your website is on. Furthermore, the dot edu domain name is such of great importance for identifying the educational institution since many of the people today are looking for some resources or information about certain educational institutions or degree granting universities maybe for some purposes. And by knowing that the dot edu domain name exists in the real world, they will be able to locate a certain educational institution through the dot edu domain name extension. Domain Name Lookup Services Domain name lookup services are some of the common services for domain names today. Perhaps, it is for the reason that many people these days, especially those who wanted to look for available domain names on the web, are really into some of the available and offered domain name lookup services. 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.