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{{#repositoryinfo:  NETREGISTRY-LIVE-1API |}}  
{{#repositoryinfo:  OPENSRS-LIVE-1API |}}  
<div style="font-size: 250%;">'''.AU'''</div><br/>
<div style="font-size: 250%;">'''.AU'''</div><br/>

Revision as of 17:39, 20 March 2018


.AU is the country code Top-Level-Domain (ccTLD) of Australia. An .AU domain is normally used by companies who are located in Australia or who have business relationships with Australia.

Introduced 1986
Country Australia
Registry AusRegistry
IDN Capable N/A
Webpage Register .AU



Please see section “Information Starting March 1, 2017” at the end of this page.



Allowed TLDs,,,


Afilias Australia Pty. Ltd.

Dispute Policy



1api GmbH



5 minutes

Min. Characters


Max. Characters


Character Set
  • Letters and numbers
  • Hyphens ("-"), however not at the beginning or directly in front of the TLD
  • IDN: not allowed
  • Registrant Contacts: Required: 1 / Maximum: 1
  • Admin Contacts: Required: 0 / Maximum: 1
  • Tech Contacts: Required: 1 / Maximum: 1
  • Billing Contacts: Required: 0 / Maximum: 1

{{{Possible Extensions}}}

IDN capable


Restore capable


Handle Updates


Registration System


Allowed number of NS

2 to 9

Host IP-Addresses Type

IPv4 / IPv6

Hosts managed as


SEC DNS Interface

DS data interface

Transfer Authcode required


Transfer Lock


Transfer Confirmation (Request / Approve)

FOA E-Mail / -

Owner Change by


Trade Periods

reset, 1 year added

Transfer included


Trade Confirmation (Request / Approve)

Fax / -


{{{Possible Extensions}}}

Registration Periods

1-5 years

Add Grace Period

0 days

Accounting Period

-7 days

Finalization Period

-1 day

Failure Period

29 days

Payment Period

-61 days

Deletion Restorable Period

1 day

Deletion Hold Period

0 days

Explicit Renewals


Renewal Periods

1-5 years


Domain Registration

Domains can be registered with the API AddDomain command.

command = AddDomain
domain  = (DOMAIN)


ownercontact0 = (CONTACT)
admincontact0 = (CONTACT)
techcontact0 = (CONTACT)
billingcontact0 = (CONTACT)
nameserver0 = (NAMESERVER)
nameserver1 = (NAMESERVER)


auth = (TEXT) | (NULL)
period = (PERIOD)
transferlock = 0 | 1 | (NULL)

Further information can be found at TLD specific

Domain Transfer

The transfer has to be initiated by the gaining registrar and can be requested with the API TransferDomain command. A confirmation email will be sent out by the registry to the registrant. After the registrant has confirmed the transfer, it will be processed in real-time. Australian domains typically take up to 48 hours to transfer, provided there are no issues with the transfer such as incorrect details. This also depends on AusRegistry who handle the transfer but almost always it is within 48 hours.

command = TransferDomain
domain = (DOMAIN)


ownercontact0 = (CONTACT)
admincontact0 = (CONTACT)
techcontact0 =(CONTACT)
billingcontact0 = (CONTACT)
auth = <TEXT> | <NULL>


period = (PERIOD)
transferlock = 0 | 1 | (NULL)

Delete Domain

Domains can be deleted with the API DeleteDomain command.
There is a Deletion Restorable Period of 1 day.

command = DeleteDomain
domain = (DOMAIN)

Restore Domain

Restores can be processed automatically but not in realtime. A restore is possible within 1 day upon deletion. Please use the command RestoreDomain.

command = RestoreDomain
domain = (DOMAIN)


subuser = (TEXT)
renewalmode = (NULL) | (TEXT)


In order to change the owner you have to request a trade with the TradeDomain command. This can be done through our web interface or through our API:

command = TradeDomain
domain = (DOMAIN)


Ownercontact0 = (CONTACT)

TLD specific


.AU is the so-called country code Top-Level-Domain (ccTLD) of Australia. An .AU domain is normally used by companies who are located in Australia or who have business relationships with Australia.

  • COM.AU: For Australian registered companies or a trading under a registered business name in any Australian State or Territory or an Australian partnership or sole trader or a foreign company licensed to trade in Australia or owners of an Australian Registered Trade Mark or an applicant for an Australian Registered Trade Mark or associations incorporated in any Australian State or Territory or Australian commercial statutory bodies
  • NET.AU: same as for .COM.AU
  • ORG.AU: For a charity operating in Australia or a non-profit organisation operating in Australia
  • ID.AU: For Australian Citizens and Australian Residents

Special parameters

Required for .COM.AU, .NET.AU and .ORG.AU registrations:

X-AU-REGISTRANT-ID-NUMBER = (TEXT) (max. 255 chars) - The respective number depending on the registrant id type.
X-AU-REGISTRANT-ID-TYPE = ABN | ACN | RBN | TM - The meaning of the abbreviations is stated in the table below.

Abbreviation Registrant Id Type
ABN Australian Business Number
ACN Australian Company Number
RBN Business Registration Number
TM Trademark Number

The domain registration may fail due to incorrect ACN or ABN numbers provided.Make sure that the ACN or ABN number you are using is registered and ACTIVE. The validity of these numbers can be checked using the following lookup services.

The validity of the ABN number can be checked via the following LINK:

The validity of the ACN number can be checked via the following LINK: (select "Search within: Organization & Business Names" and enter the ACN below it)

The Australian Trademark database can be search via the following database:

ATMOSS - Australian Trade Mark On-line Search System



Change of Registrant (Trade)

If you are RegistrarOC customer, you have to activate pending domain trades after receiving the fax form with the ActivateDomainTrade command. As RegistrarOC customer, you have the possibility to customize our fax form with your logo and your fax number.

Restore Process

To restore a domain as a RegistrarOC customer, you simply have to execute the RestoreDomain command. HEXONET directly forwards the restore request to the registry, which performs the restore in short time. As soon as the restore has been completed by the registry, the domain will get assigned to your account with the original domain data.

Please do not initiate a restore directly at the registry (e.g. using the registrar webinterface). All restore operations must be performed through our system.

IMPORTANT: .AU Domain Name Changes and Information Starting March 1, 2017

Starting March 1st, 2017, HEXONET will have a new provider for .AU domain names. This switch resolves minor issues with .AU domain names we have been experiencing and is expected to have little or no impact on most resellers and clients.

All details about the transfer process are made available to our resellers per email notification. This is a compilation of the most important changes ahead:

1. OTE is Available for .AU

In the new system, an OTE environment is available for .AU. Limitation of OTE: Transfers and Trades are not available.

2. .AU Domain Trade Email/Fax Procedure

Resellers are required to provide their registrants a link to the non-branded .AU trade PDF form at when submitting a trade. For the convenience of your customers, Resellers will have the option to provide a pre-filled PDF version of the .AU trade form by following the instructions on this help page. Please keep in mind that registrants (losing and gaining) need to print, sign, and fax or email the .AU trade form to our neutral non-branded email address or fax for processing.

3. Domain Ownership Certificate

As required by auDA policy, with each new .AU domain registration or each .AU domain trade, the new owner will receive an email with an attached auDA certificate of ownership (PDF).

4. .AU Domain Trade vs. Domain Modify Rules

Whenever an X-AU flag is changed, this requires the use of the TradeDomain command. Please note that a TradeDomain command with a changing X-AU flag also requires the submission of a registrant contact handle at the same time. In the special case where a registrant contact handle is changed only this can be done with a ModifyDomain command.


Previously, ABN, ACN, RBN or TM were accepted for X-AU-REGISTRANT-ID-TYPE. Please note that RBN will NO LONGER BE ACCEPTED going forward. Business names using state and territory services were phased out in 2012.

6. .AU Domain Transfer Notes

Contact handles are no longer required for a transfer request. Also, the registrant transfer confirmation email and the respective online form will have small changes including a different registrar name.

7. .AU Domain Transfers with Period = 2 not Accepted

The default transfer period (if no dedicated period is provided with a transfer request) was 0 and will remain 0 on the new system. Though previously a period = 2 was accepted, going forward, a period = 2 is not longer accepted with a .AU transfer. Either do not provide a period or provide period = 0. Please note that an .AU domain name can be renewed after a transfer.

8. .AU Domain Name Life Cycle

The Renewal Finalization Period will remain unchanged at -1d (.AU domains set to AUTORENEW will be automatically renewed 1 day prior to the expiration date). The Renewal Failure Period will be adjusted a day from +30 to +29 days (.AU domains set to AUTODELETE OR AUTOEXPIRE will be automatically removed from our system 29 days after the expiration date). The Deletion Restorable Period will be adjusted from +3d to +1d (any explicitly deleted or auto-deleted / auto-expired .AU domain can be restored until 30 days after the expiration date).

9. .AU Nameserver / Host Management

Nameservers will now be managed as an OBJECT and not as an ATTRIBUTE. A minimum of 2 nameservers are now required for .AU domain names (previously: 0). Use and assignment of child nameservers (requiring ownership of the parent .AU domain) first requires the creation of each nameserver object with the AddNameserver command and desired IP address.

For further information ...

...and details on the transition our resellers are kindly requested to revisit the email notifications that we sent them.