Domain is one of the most important concepts in computer networking. It is the name given to a specific section of the Internet address. In order to understand what a domain is, it is first necessary to understand Internet addresses.

An Internet address is a unique number that is assigned to every device that is connected to the Internet. This number is used to identify the device and to route data to and from it. The address is made up of two parts: the network address and the host address. The network address is the part of the address that …