Domain names

The domain name suffix is known as a generic top-level domain (gTLD) and it describes the type of organization. However in the last few years, the lines have blurred somewhat between these categories.
When you think of the Internet, you probably think of ".com." Just what do those three letters at the end of a World Wide Web address mean?

In order to locate online data, the servers that host the information each have a unique numerical address. For example, the numerical address for the White House is 198.137.240.100. But since few people want to remember long strings of numbers, the Domain Name System (DNS) was invented. DNS, a critical part of the Internet's technical infrastructure, correlates a numerical address to a word. To access the White House website, you could type its number into the address box of your web browser. But most people prefer to use "www.whitehouse.gov." In this case, the domain name is