Back to TLD Directory
IANA Root Zone
.AU
Country-code top-level domain
Delegated
Delegation Record for .AU managed by .au Domain Administration (auDA).
Registered: 1986-03-05
Updated: 2026-08-04
Quick Copy:
Live WHOIS & Availability Checker
Check real-time registration status or inspect full WHOIS & RDAP records for any .au domain.
WHOIS Server
whois.auda.org.au
RDAP Endpoint
Registry ServicesOfficial Website
Authoritative NS
5 Servers
Registry Contacts & Delegation Record
Sponsoring Organisation
.au Domain Administration (auDA)
Level 19
8 Exhibition Street
Melbourne VIC 3000
Australia
Administrative Contact
Chief Operating Officer
.au Domain Administration (auDA)
Level 19
8 Exhibition Street
Melbourne VIC 3000
Australia
Email: coo@auda.org.au
Voice: + 61 03 8341 4111
Fax: + 61 03 8341 4112
Technical Contact
Chief Technical Officer
.au Domain Administration (auDA)
Level 19
8 Exhibition Street
Melbourne VIC 3000
Australia
Email: auda.iana@auda.org.au
Voice: +61 (0)3 8341 4111
Fax: +61 (0)3 8341 4112
Authoritative Name Servers (5)
| Host Name | IP Address(es) |
|---|---|
| a.au | 58.65.254.12407:6e00:254:0:0:0:0:1 |
| q.au | 65.22.196.12a01:8840:be:0:0:0:0:1 |
| r.au | 65.22.197.12a01:8840:bf:0:0:0:0:1 |
| s.au | 65.22.198.12a01:8840:c0:0:0:0:0:1 |
| t.au | 65.22.199.12a01:8840:c1:0:0:0:0:1 |
Explore Related Top-Level Domains
.acInternet Computer Bureau Limited.adAndorra Telecom.aeTelecommunications and Digital Government Regulatory Authority (TDRA).afMinistry of Communications and IT.agUHSA School of Medicine.aiGovernment of Anguilla.alElectronic and Postal Communications Authority - AKEP.am"Internet Society" Non-governmental Organization.anNot assigned.aoMinistry of Telecommunications and Information Technologies (MTTI).aqAntarctica Network Information Centre Limited.arPresidencia de la Nación , SecretarÃa Legal y Técnica