33.au is registered with Web Address Registration Pty Ltd and is hosted on AS55803 in Australia. Its SSL certificate from Sectigo Limited is valid until 17 Mar 2027, and the site does not support HTTP/3.
On-page basics for the homepage.
Networks cache previews — changes can take time to show.
What security vendors and the WOT community say about this domain.
1 of 5 protections set up
No SPF record: any server can send mail that claims to come from this domain.
—Signs outgoing mail so receivers can verify it.
selector default._domainkeyNo DMARC policy: receivers aren’t told what to do with mail that fails SPF and DKIM.
—Forces encrypted delivery between mail servers.
—Shows the brand logo in supporting inboxes. Optional; needs DMARC enforcement.
—Read from the domain's public DNS records.
0 of 6 recommended headers
Forces HTTPS on future visits.
Limits where scripts can load from — the main defence against XSS.
Stops the site being framed for clickjacking.
Prevents browsers guessing file types.
Which AI crawlers this site allows, and whether it publishes an llms.txt.
No robots.txt, so every crawler may crawl the whole site. Not every crawler follows it. llms.txt is an optional guide some sites publish for AI assistants — it is not a ranking factor.
Pages and files that show who runs the site and how it handles data.
What loads and tracks visitors when the homepage opens.
Running a full browser scan of the homepage… This takes about a minute.
Internet standards that make a site faster and safer.
The path from a typed address to the final page.
No similar domains registered in the last 90 days.
From CubDomain's daily newly registered domains. Similar doesn't mean malicious.
Is 33.au’s name taken on other extensions?
Every IP address 33.au resolves to, and where it's hosted.
| Host | IPv4 address | TTL |
|---|---|---|
| 33.au | 223.27.28.35 | 86400 |
| Host | Mail server | TTL |
|---|---|---|
| 33.au | 10 mail.33.au | 86400 |
| Host | Name server | TTL |
|---|---|---|
| 33.au | ns.33.au | 86400 |
| 33.au | ulti-11.uss.net.au | 86400 |
| 33.au | ulti-12.uss.net.au | 86400 |
| Host | Start of authority | TTL |
|---|---|---|
| 33.au | ns.33.au kent\.geaney.gmail.com 1771052452 10800 3600 1209600 10800 | 86400 |
No reviews yet. Used 33.au? Be the first to say how it went.
Reviews are from CubDomain users and are separate from the security verdicts above.
Common questions, answered from this report's data.
33.au has no community safety rating yet. Its SSL certificate is valid until 17 Mar 2027. See Security →
33.au is registered through Web Address Registration Pty Ltd. The public WHOIS record shows the registrant’s details. See WHOIS →
33.au is served from 1 IP address, mainly on AS55803 in Australia. See Hosting →
Raw registry data for 33.au. May be redacted by privacy services.
Domain Name: 33.au Registry Domain ID: 475005d90e724c87b2eace072f51502f-AU Registrar WHOIS Server: whois.auda.org.au Registrar URL: https://www.crazydomains.com.au/contact/ Last Modified: 2026-08-28T01:23:28Z Registrar Name: Web Address Registration Pty Ltd Registrar Abuse Contact Email: [email protected] Registrar Abuse Contact Phone: +61.894220890 Reseller Name: Status: serverRenewProhibited https://identitydigital.au/whois-status-codes#serverRenewProhibited Status Reason: Not Currently Eligible For Renewal Registrant Contact ID: aba22af8138d43f4986d2f872e2760ff-AU Registrant Contact Name: Kent Geaney Tech Contact ID: 4ca59e316b4748c79a354e5ac3284dc3-AU Tech Contact Name: Kent Geaney Name Server: ulti-11.uss.net.au Name Server IP: 223.27.28.35 Name Server: ulti-12.uss.net.au Name Server IP: 223.27.28.36 DNSSEC: unsigned Registrant: ULTIMATE SOFTWARE SOLUTIONS PTY LTD Registrant ID: ACN 090987438 Eligibility Type: Company >>> Last update of WHOIS database: 2026-10-28T20:08:09Z <<< Identity Digital Australia Pty Ltd, for itself and on behalf of .au Domain Administration Limited (auDA), makes the WHOIS registration data directory service (WHOIS Service) available solely for the purposes of: (a) querying the availability of a domain name licence; (b) identifying the holder of a domain name licence; and/or (c) contacting the holder of a domain name licence in relation to that domain name and its use. The WHOIS Service must not be used for any other purpose (even if that purpose is lawful), including: (a) aggregating, collecting or compiling information from the WHOIS database, whether for personal or commercial purposes; (b) enabling the sending of unsolicited electronic communications; and / or (c) enabling high volume, automated, electronic processes that send queries or data to the systems of Afilias, any registrar, any domain name licence holder, or auDA. The WHOIS Service is provided for information purposes only. By using the WHOIS Service, you agree to be bound by these terms and conditions. The WHOIS Service is operated in accordance with the auDA WHOIS Policy (available at https://www.auda.org.au/whois-policy).
The first response from http://www.33.au, before any redirect: caching, server and policy headers.
Four timed TCP connections to port 443 from CubDomain's servers.
CubDomain is not affiliated with 33.au. Data is collected independently from public sources and some figures are estimates, provided for information only.
Controls how much of the URL is shared with other sites.
Restricts camera, microphone and other browser features.
From the homepage's response, https://33.au/
Spam and malware blocklists for the site's IP and mail servers.
Found in public certificate transparency logs.
Searching the certificate transparency logs… This can take up to a minute.
When the site first appeared, and what has changed since.
No changes seen since we started recording on 28 Oct 2026.