How to pick a name you won’t regret, work out which domain endings you’re eligible for, and avoid paying for extras you don’t need.
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Quick summary
- A domain name is a licence to use an address, not ownership of it, and it does not protect your name as intellectual property.
- To register a com.au or net.au domain you must be an Australian commercial entity, usually proved with an active ABN or ACN.
- Anyone with a validated connection to Australia, including citizens and permanent residents, can register a .au direct domain.
- You can register a .au domain for one to five years, and your details are checked again at each renewal.
- Keep your ABN active and your registrant details current, or your domain can be suspended or cancelled.
A domain name is the address people type to reach your website, and it sits in your email address too. Registering one is quick and usually inexpensive, but Australian domain endings come with eligibility rules that trip up plenty of first-timers. This guide explains what a registration actually buys you, who can register which ending, and which extras at checkout you can safely skip.
What a Domain Name Is and What You’re Paying For
A domain name is the address of a website on the internet. Take a typical address like example.com.au: the first part, example, is the name you register. The com part indicates the category of domain, and the au part shows its country of origin. Addresses ending in .com have no country component, and anyone in the world can register one.
What you’re buying is a licence, not permanent ownership. Australian domains are allocated on a first-come, first-served basis, and you hold the name for the registration period you pay for. If you don’t renew, it can be registered by someone else.
It’s also worth understanding what a registration doesn’t do. Registering a domain name gives you no intellectual property protection for the name itself. It only means you control that address. Protecting a business name is a separate matter, which is why it makes sense to register your business name first and consider a trade mark if the name matters to you.
Choosing a Name You Won’t Regret
The best domain name matches your business name or brand, so customers can find you without guessing. Government guidance for Australian businesses suggests picking a name that represents your business and is unique enough that it won’t be confused with another business. auDA, the body that administers .au domains, adds a simple tip: keep it short and simple so people can remember it and type it correctly.
Before you commit, check that the name is actually available. auDA runs a public WHOIS search tool that shows whether a .au domain is already registered. If your preferred name is taken in one namespace, it may still be free in another, or you can try a variation.
One caution: if the name you want has been trade marked by someone else, using it as your domain could expose you to legal action, even if the domain itself is available.
Who Can Register Which Ending
Most Australian businesses use com.au. It is the most popular .au ending, and auDA’s own research finds Australians trust com.au websites more than other domain types, including .com. But it isn’t the only option, and the eligibility rules differ.
| Ending | Who can register | What you provide |
|---|---|---|
| com.au or net.au | Australian commercial entities | Active ABN, ACN, ARBN or Australian trade mark details |
| .au direct | Anyone with a validated Australian connection | Driver’s licence, passport, ABN or trade mark number |
| .com | Anyone, anywhere | No Australian eligibility checks |
The key difference between com.au and .au direct is who qualifies and how the name must connect to you. com.au is for commercial entities, and the name itself must have a connection to your business, such as your business name or an acronym of it. .au direct is a general-purpose namespace open to citizens, permanent residents, trade mark holders and organisations registered in Australia, and you can choose any available name you have permission to use.
Checking the Eligibility Rules Before You Buy
For com.au and net.au, the most common way to qualify is an active ABN or ACN. An ABN is an 11-digit number identifying your business, while an ACN is a 9-digit company number. Foreign companies trading in Australia can use an ARBN, or an Australian registered trade mark.
Two rules catch people out.
First, the number must stay active. auDA now cancels domains when the entity listed on them no longer qualifies, for example once an ABN has been cancelled or removed from the register. If your ABN lapses, your domain can follow.
Second, trusts are a special case. Because a trust is not a legal entity in its own right, it cannot hold a domain licence in its own name. The registration has to sit with the trustee instead, using the trustee’s own ABN or ACN. Registrars have been tightening up on this, and domains registered with a trust ABN can be suspended if not corrected.
Be careful
Before registering, confirm your ABN is active and matches the entity that will hold the domain. Fixing an eligibility problem after purchase is far more hassle than checking beforehand.
If you don’t have an ABN yet and need one for a com.au address, you can apply through the Australian Taxation Office before you register the domain.
Registration Length, Renewals and Validation
You choose a licence period when you register: one, two, three, four or five years. At registration, your provider checks that you meet the eligibility rules, and once they’re satisfied the domain is allocated to you. It can take up to two days for the domain to be ready to use, though many providers automate the process so you can start sooner.
The same validation happens again at every renewal, so your details need to stay accurate for as long as you hold the name. When renewal comes up, you pick your licence period again, which is a good moment to reconsider whether you still want the name.
Diary the renewal date yourself rather than relying on a single email reminder, especially if the contact address on the account is one you rarely check.
Privacy, WHOIS and the Add-Ons Worth Skipping
When you register, you provide contact information along with your eligibility documents. This registrant information is what public WHOIS searches for .au domains display, which is how other people can check who holds a name.
At checkout, sellers will offer add-ons: bundled email or hosting packages, longer multi-year terms, website builders and similar services. auDA recommends comparing providers and their offerings before choosing. Our view is that it’s reasonable to start with the registration alone and add services when you actually need them, since hosting and email can be set up later without changing your domain.
What you shouldn’t skip is accurate registrant details. Because eligibility is checked at renewal, an out-of-date ABN or wrong entity name can put your renewal at risk.
Keeping Your Domain Account Secure
Whoever controls your registrar account controls your domain, and losing it can mean losing your website and email at once. Two habits protect you. Set a long, memorable passphrase that you don’t use anywhere else; our guide to passphrases explains how to build one. Then turn on multi-factor authentication, which is the single most effective way to stop someone signing in as you. A password manager is a handy place to store that passphrase along with your other logins.
Be sceptical of emails claiming your domain has an eligibility problem. These notices can be genuine, since auDA does enforce its rules through registrars, but check your domain and ABN details yourself through your registrar account and the Australian Business Register before clicking anything. If something looks off, our guide to spotting scams covers the warning signs.
Start small: write down two or three names that match your business, check each in auDA’s WHOIS tool to see what’s available, and confirm your ABN is active before you pay for anything.
Your questions answered
Q: Do I need an ABN to register a domain name in Australia?
A: For com.au and net.au domains, yes in practice: you need to be an Australian commercial entity, and most people qualify with an active ABN or ACN. For .au direct domains, a driver’s licence or passport number can be enough, since you only need a validated connection to Australia.
Q: What’s the difference between com.au and .com?
A: A com.au address sits under Australia’s country code and requires eligibility checks at registration and renewal. A .com address has no country component and can be registered by anyone anywhere.
Q: How long does it take for a new .au domain to work?
A: Once your provider validates your details, it can take up to two days for the domain to be ready to use. Most providers automate the process, so it is often much sooner.
Q: Can I register a domain name for a trust?
A: Yes, but the trustee must be listed as the registrant, using the trustee’s own ABN or ACN. Domains registered under a trust ABN can be suspended or cancelled.