Every object on the Internet, and every server and endpoint that interacts, must have an Internet Address. This address is 32 bits long for IPv4 or 128 bits long for IPv6 at the protocol level. A Domain Name allows the use of names that people can understand, remember, and associate with corporate identity and branding, instead of these 32- or 128-bit numbers. For example, the Domain Name System connects the domain name www.goksoymedya.com.tr with the IP address 88.255.110.61. Sequentially; com, webevi.com, and www.goksoymedya.com.tr are nested Internet domains or segments.
The relationships created by the Domain Name System do not have to be one-to-one. Multiple IP addresses can be assigned to a single domain name, which is applicable in cases of high demand. This is common for addresses like HostingNedir.com, yahoo.com, and google.com. More commonly, however, many domain names can be assigned to a single IP address. This is known as “Virtual Hosting.”
The Domain Name System has a hierarchical structure. At the top are "generic" top-level domains (gTLD) such as .com, .org, .net, .int, .edu, .info, .biz, .aero, .travel, .jobs, .gov, and .mil, as well as country code top-level domains (ccTLD) like .tr, .us, .de, .uk, .jp, and .az. Recently, regional top-level domains like .eu and .asia have also been added.