If you are starting a business website, one of the very first things you will hear about is a domain name. But what actually is a domain name, how does it work, and why does it matter for your business? This guide answers all of those questions in plain language — no technical background needed.
What Is a Domain Name?
A domain name is a human-readable web address that people type into their browser to visit a website. For example, yourbusiness.com.au is a domain name. Without domain names, people would have to remember complex strings of numbers (called IP addresses) to find any website — which is completely impractical.
Think of it this way: your domain name is the street address of your business on the internet. Just as customers need your physical address to visit your shop, they need your domain name to visit your website.
What Does a Domain Name Look Like?
A typical domain name has two or three parts separated by dots:
| Part | Example | What It Is |
|---|---|---|
| Subdomain (optional) | www | A prefix pointing to a specific section of the site |
| Second-level domain | yourbusiness | Your unique name — the part you choose |
| Top-level domain (TLD) | .com.au or .au | The extension — indicates country or type |
So in www.yourbusiness.com.au, the second-level domain is yourbusiness and the top-level domain is .com.au.
How Does a Domain Name Work?
When someone types your domain name into their browser, here is what happens in the background:
- The browser sends a request to the DNS (Domain Name System) — essentially a global phone book for websites.
- The DNS looks up your domain and finds the IP address of your web hosting server.
- The browser connects to that server and loads your website.
The whole process happens in milliseconds. Your domain name is the entry point — your web hosting is where your website’s files actually live. Both are required for your website to be visible online.
What Are the Different Types of Domain Extensions?
| Extension | Type | Best For |
|---|---|---|
| .com.au | Australian commercial | Established Australian businesses with ABN |
| .au | Australian direct | Shorter, modern option launched 2022 |
| .com | Global commercial | Businesses targeting international audiences |
| .net.au | Australian network | ISPs and network operators |
| .org.au | Australian organisation | Non-profits and associations |
For most Australian businesses, .com.au is still the most recognised and trusted choice. The newer .au direct extension is shorter and growing fast. Read our guide on .com.au vs .au to decide which is right for your business.
What Is the Difference Between a Domain Name and Web Hosting?
This is one of the most common points of confusion for new business owners. Here is the simple version:
- Domain name — your website’s address (e.g.
yourbusiness.com.au). This is what people type to find you. - Web hosting — the server where your website’s files, images, and content are stored.
You need both. A domain without hosting has nowhere to point. Hosting without a domain means no one can find your site. Australian Hosting Solutions bundles domain registration with web hosting so both are managed in one place — with a dedicated point of contact available 22 hours a day.
Do You Own Your Domain Name Forever?
No. Domain names are registered on an annual basis — you pay to use them for a set period (usually one or two years) and then renew. If you forget to renew, the domain expires and can be registered by someone else. Australian Hosting Solutions sends renewal reminders well in advance and can set up automatic renewal so you never lose your domain by accident.
Frequently Asked Questions
Can two websites have the same domain name?
No. Every registered domain name is unique globally. Once you register a domain, no one else can register the exact same one until yours expires or you release it.
Can I transfer my domain name to a different registrar?
Yes. Domain transfers are straightforward. Australian Hosting Solutions can transfer your existing domain in and manage everything in one account alongside your hosting.
Does my domain name affect my Google ranking?
A .com.au or .au domain signals to Google that your site is relevant to Australian users, which helps with local search visibility. The name itself matters less than good content and technical SEO, but having a clean, relevant domain name is a positive signal.
What do I need to register a .com.au domain?
You need an Australian Business Number (ABN), Australian Company Number (ACN), or Australian Trademark. The domain name must also closely match your registered business or trading name.
What happens if my domain name expires?
Your website and email will go offline. After a grace period, the domain becomes available for others to register. Australian Hosting Solutions sends renewal reminders and offers auto-renewal to prevent this.
Ready to register your domain?
Australian Hosting Solutions registers .com.au and .au domains and connects them to your hosting — all handled live on the phone by a dedicated contact, 22 hours a day.
Search for Your Domain (02) 9199 8787