Updated November 2026 · Reviewed by the DomainFinch editorial team · Editorial policy
What is a .com.au domain?
- Type
- Country code (ccTLD)
- Registry
- auDA (policy authority); registry services by Identity Digital
- Who can register
- Registrants must have an Australian presence, and the name must have a close and substantial connection to the registrant (e.g. matching a business name, trademark, or the services offered).
- Typical cost
- Standard
Who should use .com.au?
- Australian businesses
- Australian e-commerce
- Local service providers
- Brands targeting Australia
.com.au pros
- Most trusted extension in Australia
- Geotargeted to Australia
- Signals a legitimate local business
.com.au cons
- Requires an Australian presence
- Longer than .com or .au
Is .com.au good for SEO?
As a country-code TLD, Google geotargets it to Australia, which can help local rankings there but makes it a weaker choice for a global audience. Read more in do domain names affect SEO?
How to register a .com.au domain
- Search your name in the box above to see if the .com.au is free.
- Check the rules: Registrants must have an Australian presence, and the name must have a close and substantial connection to the registrant (e.g. matching a business name, trademark, or the services offered).
- Compare first-year and renewal prices at a few registrars.
- Register it, then turn on auto-renew, registrar lock and two-factor login.
.com.au domain name ideas
Starting points that suit typical .com.au users. Tap one to check it.
.com.au compared
.com.au FAQ
What is a .com.au domain?
The most popular Australian domain, a second-level extension for commercial entities. It is highly trusted by Australian consumers and the default for Australian businesses.
Who can register a .com.au domain?
Registrants must have an Australian presence, and the name must have a close and substantial connection to the registrant (e.g. matching a business name, trademark, or the services offered).
Is .com.au good for SEO?
As a country-code TLD, Google geotargets it to Australia, which can help local rankings there but makes it a weaker choice for a global audience.
How do I check .com.au domain availability?
Type a name into the search box on this page. DomainFinch checks .com.au and 30+ other extensions live using DNS and official registry data.
Is a .com.au domain worth it?
It is worth it if you fit its audience (australian businesses, australian e-commerce). Weigh the standard price tier and the trade-offs: requires an australian presence.