what is domain name

What Is Domain Name?

In the context of the internet, a domain name is essentially the address of a website. It’s a string of characters that identifies a realm of administrative autonomy, authority, or control within the Internet. Domain names are formed by the rules and procedures of the Domain Name System (DNS).

History of Domain Names

The history of domain names begins with the creation of the DNS in the 1980s. Before DNS, computers on the Internet were identified by IP addresses – numerical labels. The Domain Name System was developed to create a user-friendly way of addressing network nodes, leading to the use of domain names as we know them today.

Various Types of Domain Names

  1. Top-Level Domains (TLDs): These are the highest level in the DNS structure of the Internet. Examples include .com, .org, .net, .gov, .edu, and country codes like .uk, .us, .ca.
  2. Second-Level Domains: These are directly below TLDs in the hierarchy. For example, in example.com, “example” is a second-level domain.
  3. Subdomains: These are subdivisions of second-level domains, used to organize or navigate to different sections of a website. For example, blog.example.com.

Different Parts of a Domain Name

A domain name typically consists of two or more parts, separated by dots. For example, in www.example.com:

  1. Top-Level Domain (TLD): .com
  2. Second-Level Domain (SLD): example
  3. Subdomain: www (optional and not always present)

Each part of a domain name serves a specific function in terms of DNS hierarchy and website navigation.

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