HTTPfy

.au

.au is a country code top-level domain managed by .au Domain Administration (auDA).

Registry facts

TLD.au
TypeCountry Code
TLD manager.au Domain Administration (auDA)
IANA statusActive
ScriptLatn
RDAP serverhttps://rdap.cctld.au/rdap/
IANA recordiana.org/domains/root/db/au

IANA data: TLD list Version 2026111000, Last Updated Tue Nov 10 07:07:01 2026 UTC; RDAP bootstrap published 2026-10-28; Root Zone Database fetched 2026-11-11.

29.au domains measuredof 9,971 in the sample
6.9%signed with DNSSEC
82.8%enforce DMARC
57.1%send HSTSof those answering on HTTPS

.au domains compared with the whole sample

Accent bars: 29 .au domains. Grey bars: all 9,971 measured domains. Fewer than 50 domains: treat these percentages as rough.

DNSSEC signed 6.9%
all measured 10.6%
SPF record 100.0%
all measured 75.7%
DMARC record 100.0%
all measured 68.0%
DMARC enforced 82.8%
all measured 50.9%
CAA record 31.0%
all measured 20.7%
MTA-STS 10.3%
all measured 3.0%
TLS 1.3 75.0%
all measured 84.9%
HSTS 57.1%
all measured 56.4%

DNS providers

Amazon Route 53 24.1%
Akamai Edge DNS 13.8%
UltraDNS (DigiCert) 6.9%
Cloudflare DNS 6.9%
IBM NS1 Connect 3.4%
Azure DNS 3.4%

Email providers

Microsoft 365 (Exchange Online) 31.0%
Google Workspace 17.2%
Proofpoint 13.8%
Mimecast 10.3%
Cisco Secure Email (IronPort) 6.9%

Certificate authorities

DigiCert 41.4%
Sectigo 13.8%
Amazon Trust Services 13.8%
Let's Encrypt 13.8%
Google Trust Services 10.3%
Corporation Service Company 3.4%

Popular .au domains in the sample

amazon.com.auabc.net.aunews.com.ausmh.com.augoogle.com.aunsw.gov.auunimelb.edu.auventraip.net.auanu.edu.auunsw.edu.aunine.com.aurealestate.com.au

Check one yourself:

WHOIS lookupInspect DNSSECCheck SSL certificate

Other TLDs in the sample

.com · 5078.net · 785.org · 434.ru · 291.io · 206.jp · 202.de · 181.edu · 125.gov · 114.in · 107
All TLDs

Source: our own scan of November 2026 (2026-11-11), 9,971 of the top 10,000 domains of the Tranco list Y895G that answered in DNS. Method and data.