What Is a Domain Name

This article explains what a domain name is, how it works, and the different types of domain extensions available. It will help you understand the basics before you register your own domain name. 

 

What is a domain name? 

A domain name is the unique address of your website on the internet. It is what appears after www. in a web address or after the @ in an email address—for example, yourdomain.com. 

Instead of remembering complex numbers, you can simply type a domain name into your browser to access a website. 

 

How domain names work 

Behind every domain name is a numerical IP address (e.g., 192.0.2.1), which computers use to identify each other. Since these numbers are difficult to remember, the Domain Name System (DNS) translates them into easy-to-read domain names. 

Think of it this way: 

• Domain Name = Phone number  
• Website = Phone  

You can change your website (phone) anytime while keeping the same domain name (phone number). This also means your domain is not permanently tied to one website—you can connect it to any website you choose. 

 

Types of domain extensions (TLDs) 

A Top-Level Domain (TLD) is the extension at the end of a domain name (e.g., .com, .au). Different TLDs serve different purposes. 

 

1. Generic TLDs (gTLDs) 

These are the most common and widely used domain extensions. 
Examples: 

• .com – Commercial or general use (e.g., mybusiness.com)  
• .org – Organizations (e.g., nonprofit.org)  
• .net – Networks or tech-related sites  

 

2. Country Code TLDs (ccTLDs) 

These are specific to countries or regions. 
Examples: 

• .au – Australia (e.g., mybusiness.au)  
• .uk – United Kingdom  
• .nz – New Zealand  

These are often used by businesses targeting a local audience. 

 

3. Specialized or new TLDs 

These are newer extensions that are more specific or descriptive. 
Examples: 

• .store – Online shops (e.g., myshop.store)  
• .tech – Technology-related sites  
• .online – General online presence  

 

What’s next: Registering your domain name 

Now that you understand what a domain name is and the different types available, the next step is choosing and securing your own domain. 

Continue to the next guide to learn how to register a domain name, where you’ll find step-by-step instructions on searching, selecting, and purchasing your domain.