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.AU Whois Search in Australia

Search Whois information of domain names in Australia. Using our domain search tool you can check availability and Whois information for any .AU domain extension.

Frequently Asked Questions
What are the registration requirements for registering a .AU domain?

In order to register a .COM.AU or .NET.AU domain name, the domain owner must meet the following requirements: 

  • Domain name must be an exact match, abbreviation or acronym of your name, or otherwise be closely and substantially connected to it. 
  • Foreign companies and individuals must also have a registered trademark or a trademark application in Australia (an International trademark that includes the Australian territory is also valid) .

If you do not meet these requirements, we suggest you file a Trademark Registration Request in Australia for Domain Registration with us. This service takes around 72 hours and has a one-time fee of US $410. You can request your trademark by filling in Trademark Registration Order Form.

  • Select “Word Mark”, class 38. 
  • Write “For .AU domain registration” in the “Goods/services” box. 
What is the minimum registration term allowed?

The minimum registration term for “.au” extensions are 2 years.

Do you offer Trustee for this extension?

No, we don’t offer Trustee service for this extension.

Does this extension support third level domains?

Yes, it does support third level extension, you can register domains with “” and “”

Is there an official whois server for .AU domains?
What is the contact information of this registry?

The contact information is:


Sponsoring Organisation

.au Domain Administration (auDA)

114 Cardigan Street

Carlton VIC 3053


Administrative Contact

Cameron Boardman

.au Domain Administration (auDA)

114 Cardigan Street

Carlton VIC 3053


Email: [email protected]

Voice: + 61 03 8341 4111, + 61 1300 732 929

Fax: + 61 03 8341 4112

Technical Contact

Adam King,

.au Domain Administration (auDA)

114 Cardigan Street

Carlton VIC 3053


Email: [email protected]

Voice: +61 (0)3 8341 4111

Fax: +61 (0)3 8341 4112

Who is the registry that manages this domain extension?

The authority in charge of managing this extension is “AUDA.ORG.AU”

Does .AU support IDN characters?

The .AU Registry is not currently offering IDN characters

What are the minimum and maximum length of characters?

The minimum is 2 and the maximum is 63

What characters .AU extension supports?

It is possible to register the letters a to z, the numbers 0 to 9and hyphens (-), or a combination of these. It is not possible to register domains that begin or end with a hyphen “-“ and should not contain hyphens in the third and fourth position (eg.

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