Domain names are unique identifiers used to help find websites on the Internet. In much the same way that your first and last names help to identify who you are to others, domain names enable you to easily find and surf to your favorite websites just by typing that domain name registration address) into your browser window. For example, the domain name registration this website "brainpulse.com." ICANN (The Internet Corporation for Assigned Names and Numbers) assumes responsibility for management and coordination of the domain name registration (DNS) by overseeing the distribution of domain names and unique IP addresses across the Internet.

Domain names are the familiar, easy to remember names for computers on the Internet (such as internic.net). They correspond to a series of numbers (called Internet Protocol numbers) that serve as routing addresses on the Internet. Domain names are used generally as a convenient way of locating information and reaching others on the Internet.Each domain name registration with what's known as an extension. A domain name registration is another tool of identification. An extension or TLD (Top Level Domain) consists of the last few letters following the final period or "dot" in the name itself. The extension /TLD for google.com is ".com." There are a host of top-level domain name registration available today.