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 speaking of the ICANN that plays a major part in the domain name registrars, it is necessary to know that it has two main responsibilities. In line with the period for the domain name renewal, it is generally considered that domain names can have a maximum of ten years of registration term that is affixed to them at any given period. So as it is given, the domain name registrant can only keep the domain name indefinitely by the process of the domain name renewal before the due date and time again. net for networks and which is typically reserved for organizations like the internet service providers; .org for non commercial organizations; and the .pro for use by professionals like attorneys and physicians. It is indeed interesting to know that such mentioned domain name suffixes as generally maintained by the International Corporation for Assigned Names and Numbers or ICANN which generally manages the Domain Name System for the purpose of identifying the kind of a certain group managing the web site. Giving much emphasis on the secondary name server, it is noted that the explanation for a secondary name server is not that it takes its information from the primary name server; instead it is its respective distinct Internet Protocol or IP address that do the process. As such, the primary and the secondary name server function to point the domain name that resolves to the Internet Protocol created by the host server. It is greatly noted that the dot uk domain name just like the dot fr or the dot jp are domain name extensions or top level domain names that belong to the second type of domain name extension which is the Country-level top domains. Just like the dot fr for France and dot jp for Japan, the dot uk domain name stands for the United Kingdom or the standard for businesses and organizations that are operating within or marketing to the United Kingdom. If the dot com, dot net, and dot org is the most common types of domain name extensions and has contributed a great part in the field of domain name, the dot edu domain name is also of great importance. Many domain name holders today cater to dot edu domain names for certain purposes and for certain functions.