What is the domain name

A domain name is an identification string that defines a realm of administrative autonomy, authority or control within the Internet. Domain names are used in various networking contexts and for application-specific naming and addressing purposes. In general, a domain name identifies a network domain, or it represents an Internet Protocol (IP) resource, such as a personal computer used to access the Internet, a server computer hosting a web site, or the web site itself or any other service communicated via the Internet. In 2017, 330.6 million domain names had been registered.[1]

A domain name may represent entire collections of resources or individual instances. Individual Internet host computers use domain names as host identifiers, also called hostnames. The term hostname is also used for the leaf labels in the domain name system, usually without further subordinate domain name space. Hostnames appear as a component in Uniform Resource Locators (URLs) for Internet resources such as web sites (e.g.,

Domain names are also used as simple identification labels to indicate ownership or control of a resource. Such examples are the domain names of the two root servers for the Internet, and[2]

In the early stages of the Internet, before the advent of modern domain name systems, each host computer on the network was identified by its hostname, which was a simple string of characters consisting of the host’s local name, followed by a period and the domain name of its parent organization. For example, the hostname of the computer at the site of the Internet Engineering Task Force (IETF) would be

With the introduction of the Domain Name System (DNS) in the 1980s, domain names became an essential part of providing reliable services on the Internet. The DNS is a distributed database that contains the mappings of domain names to IP addresses. These mappings are maintained by a set of name servers that are organized into a hierarchical structure of domains.

Each domain is served by one or more name servers that resolve queries for domain names within that domain. When a user enters a domain name into their web browser, the browser contacts a root name server to obtain the IP address of a name server for the requested domain. The browser then contacts the selected name server to resolve the domain name into an IP address.

The DNS has been extended to support other types of resources besides host computers, such as mail servers and web servers. These extensions are reflected in the structure of the DNS hierarchy of domains. For example, the DNS domain for the IETF,, contains the hostname, which is the name of the IETF’s web server, as well as the hostnames of the IETF’s mail servers, and

The DNS is a critical component of the Internet, providing a scalable and robust system for mapping domain names to IP addresses. The DNS is maintained by a decentralized network of name servers that are operated by a variety of organizations, including Internet service providers, universities, and government agencies.

The world of domain names can be confusing and intimidating for those who are new to the game. There are so many different options out there, and it can be hard to know where to start. But don’t worry – we’re here to help!

In this blog post, we’ll walk you through everything you need to know about domain names, from the basics of how they work to the different types of domain names that are available. We’ll also give you some tips on choosing the right domain name for your website or blog.

So, what are domain names? Simply put, a domain name is the address of your website or blog on the internet. It’s what people will type into their browser to find your site. For example, our domain name is

Domain names are made up of two parts – the first part is the “www”, and the second part is the “domain name” itself. In most cases, you can choose any domain name you want (as long as it’s not already taken!). However, there are some restrictions on certain domain names, such as those that are trademarked or copyrighted.

There are a few different types of domain names, but the most common are “.com” domains. These are the most popular type of domain name, and they’re typically the easiest to remember. Other popular types of domain names include “.net”, “.org”, and “.info”.

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