The Internet would grind to a halt – would not be possible – without a Domain Name System (DNS). In the world of the Internet and TCP/IP, IP addresses are used to route packets from source to destination. A single IP address, for example 192.168.1.19, is not difficult to remember. But trying to learn or […]
DNS organizes hostnames in a domain hierarchy. A domain is a collection of sites that are related in some sense because they form a proper network (e.g., all machines on a campus, or all hosts on BITNET), because they all belong to a certain organization (e.g., the U.S. government), or because they’re simply geographically close. […]