Verifying against the live site and live WHOIS/DNS…
Common questions
Is crucial.com.au legit or a scam?
AboutUs doesn't label sites "legit" or "a scam": this page lists the dated registration, DNS, HTTPS, mail-authentication and safety checks we could verify, each with its source, so you can decide for yourself.
Who owns crucial.com.au?
Nobody has completed AboutUs's owner verification for crucial.com.au. That's true of most sites here — it isn't itself a warning sign.
Correct a description, link or other detail. Submissions are reviewed before publication.
Lifeline · crucial.com.au over time
Checked in the last 30 daysOlder, dated recordFrom registration records
On AboutUs since 2007 · 3 registrar changes since Jan 3, 2009 · 1 registrant change since 2009 · last checked Sep 30, 2026.
Registration
No registration date on file yet. AboutUs reads it from RDAP when the site is checked.
AboutUs record
AboutUs wiki pageNov 27, 2007 – Nov 30, 2007An AboutUs wiki page described crucial.com.au from Nov 27, 2007 to Nov 30, 2007 (4 edits).Source: AboutUs wiki archive, 2006–2023Said about itself in 2007Jul 1, 2007“Crucial Paradigm Australia (www.crucial.com.au) is the Australia division of Crucial Paradigm (www.crucialp.com). We are a privately owned, Australian, debt free company operating since 2003. We pride ourselves in build…”Source: AboutUs wiki archive, 2007
Registrar
Distribute.ITJan 3, 2009 – Nov 1, 2011Registrar Distribute.IT in the WHOIS and RDAP records held for crucial.com.au, from Jan 3, 2009 to Nov 1, 2011.Source: WHOIS / RDAP archive (who.is)TPP Wholesale Pty LtdTPP Wholesale Pty LtdNov 22, 2011 – May 15, 2016
Registrant
Registrant recordsJan 3, 2009 – Apr 21, 2026Registration records for crucial.com.au are held from Jan 3, 2009 to Apr 21, 2026 (106 records). 1 change of registrant name or organization is marked. Privacy-service and redaction changes, renames of the same organization and new contacts at it are not counted.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Zone file
Nameservers: crucialparadigm.comJan 3, 2009 – Jan 5, 2012Registration records listed crucialparadigm.com nameservers (ns1.crucialparadigm.com, ns2.crucialparadigm.com) for crucial.com.au from Jan 3, 2009 to Jan 5, 2012.Source: From registration records (WHOIS / RDAP archive, who.is)Nameservers: crucial.com.au
Certificate
Sectigo LimitedSectigo LimitedNov 4, 2025 – Nov 4, 2026 (latest)Sectigo Limited issued 2 certificates for crucial.com.au from Nov 4, 2025, the latest valid until Dec 4, 2026. Seen in use on Sep 30, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Sep 30, 2026cPanel
2010201520202025Apr ’26← last 12 months, drawn wider
Every dated fact on this lifeline (16)
Jul 1, 2007AboutUs record: “Crucial Paradigm Australia (www.crucial.com.au) is the Australia division of Crucial Paradigm (www.crucialp.com). We are a privately owned, Australian, debt free company operating since 2003. We pride ourselves in build…”Source: AboutUs wiki archive, 2007
Nov 27, 2007 – Nov 30, 2007AboutUs record: An AboutUs wiki page described crucial.com.au from Nov 27, 2007 to Nov 30, 2007 (4 edits).Source: AboutUs wiki archive, 2006–2023
Jan 3, 2009 – Nov 1, 2011Registrar: Registrar Distribute.IT in the WHOIS and RDAP records held for crucial.com.au, from Jan 3, 2009 to Nov 1, 2011.Source: WHOIS / RDAP archive (who.is)
Jan 3, 2009 – Apr 21, 2026Registrant: Registration records for crucial.com.au are held from Jan 3, 2009 to Apr 21, 2026 (106 records). 1 change of registrant name or organization is marked. Privacy-service and redaction changes, renames of the same organization and new contacts at it are not counted.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Jan 3, 2009 – Jan 5, 2012Zone file: Registration records listed crucialparadigm.com nameservers (ns1.crucialparadigm.com, ns2.crucialparadigm.com) for crucial.com.au from Jan 3, 2009 to Jan 5, 2012.Source: From registration records (WHOIS / RDAP archive, who.is)
Current AboutUs record
Jul 3, 2026 – Aug 20, 2026 (latest)
Authority and Safety last refreshed Aug 20, 2026.
Source: AboutUs checks
Registrar TPP Wholesale Pty Ltd in the WHOIS and RDAP records held for crucial.com.au, from Nov 22, 2011 to May 15, 2016.
Source: WHOIS / RDAP archive (who.is)
Domain Directors Pty Ltd trading as InstraMay 8, 2025 – Jun 15, 2025Registrar Domain Directors Pty Ltd trading as Instra in the WHOIS and RDAP records held for crucial.com.au, from May 8, 2025 to Jun 15, 2025.Source: WHOIS / RDAP archive (who.is)
Web Address Registration Pty LtdWeb Address Registration Pty LtdSep 14, 2025 – Sep 30, 2026 (latest)Registrar Web Address Registration Pty Ltd in the registration data recorded, first on Sep 14, 2025 and most recently on Sep 30, 2026.Source: RDAP, fetched Aug 20, 2026
Registrant changeMar 11, 2015The registrant name or organization in the registration record changed; first recorded Mar 11, 2015. That can be a rename, a new contact or a sale; the record alone does not say which.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
1 registrant change, 2009–2026
Nameservers: crucial.com.auFeb 16, 2012 – Apr 21, 2026Registration records listed crucial.com.au nameservers (nsdal01.crucial.com.au, nssyd01.crucial.com.au, nssyd02.crucial.com.au) for crucial.com.au from Feb 16, 2012 to Apr 21, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to crucial.com.auFeb 16, 2012crucial.com.au's nameservers moved from crucialparadigm.com to crucial.com.au between Jan 5, 2012 and Feb 16, 2012. Last seen at crucialparadigm.com: Jan 5, 2012 (registration record). First seen at crucial.com.au: Feb 16, 2012 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
cPanelDec 3, 2025 – Nov 4, 2026cPanel issued 4 certificates for crucial.com.au from Dec 3, 2025, the latest valid until Dec 6, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Let's EncryptApr 2, 2026 – Nov 4, 2026Let's Encrypt issued 49 certificates for crucial.com.au from Apr 2, 2026, the latest valid until Jan 23, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
DigiCert IncNov 2, 2026 – Nov 4, 2026DigiCert Inc issued 1 certificate for crucial.com.au from Nov 2, 2026, the latest valid until May 19, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Nov 22, 2011 – May 15, 2016Registrar: Registrar TPP Wholesale Pty Ltd in the WHOIS and RDAP records held for crucial.com.au, from Nov 22, 2011 to May 15, 2016.Source: WHOIS / RDAP archive (who.is)
Feb 16, 2012 – Apr 21, 2026Zone file: Registration records listed crucial.com.au nameservers (nsdal01.crucial.com.au, nssyd01.crucial.com.au, nssyd02.crucial.com.au) for crucial.com.au from Feb 16, 2012 to Apr 21, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
Feb 16, 2012Zone file: crucial.com.au's nameservers moved from crucialparadigm.com to crucial.com.au between Jan 5, 2012 and Feb 16, 2012. Last seen at crucialparadigm.com: Jan 5, 2012 (registration record). First seen at crucial.com.au: Feb 16, 2012 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Mar 11, 2015Registrant: The registrant name or organization in the registration record changed; first recorded Mar 11, 2015. That can be a rename, a new contact or a sale; the record alone does not say which.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
May 8, 2025 – Jun 15, 2025Registrar: Registrar Domain Directors Pty Ltd trading as Instra in the WHOIS and RDAP records held for crucial.com.au, from May 8, 2025 to Jun 15, 2025.Source: WHOIS / RDAP archive (who.is)
Sep 14, 2025 – Sep 30, 2026Registrar: Registrar Web Address Registration Pty Ltd in the registration data recorded, first on Sep 14, 2025 and most recently on Sep 30, 2026.Source: RDAP, fetched Aug 20, 2026
Nov 4, 2025 – Nov 4, 2026Certificate: Sectigo Limited issued 2 certificates for crucial.com.au from Nov 4, 2025, the latest valid until Dec 4, 2026. Seen in use on Sep 30, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Sep 30, 2026
Dec 3, 2025 – Nov 4, 2026Certificate: cPanel issued 4 certificates for crucial.com.au from Dec 3, 2025, the latest valid until Dec 6, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Apr 2, 2026 – Nov 4, 2026Certificate: Let's Encrypt issued 49 certificates for crucial.com.au from Apr 2, 2026, the latest valid until Jan 23, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Jul 3, 2026 – Aug 20, 2026AboutUs record: Authority and Safety last refreshed Aug 20, 2026.Source: AboutUs checks
Nov 2, 2026 – Nov 4, 2026Certificate: DigiCert Inc issued 1 certificate for crucial.com.au from Nov 2, 2026, the latest valid until May 19, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Site is live · HTTPS valid
Crucial Paradigm Australia provides custom web hosting and web solutions for Australian businesses from its Sydney office. The company emphasizes high uptime, fast page loading, and personalized support for each client.
We withhold an authority number until independent evidence (global rank, link-graph presence) has accrued. The facts we do have about this site are shown below — we'd rather say “not enough signals yet” than invent a low score.
Safety evidence
No unexpired threat-feed result; name-similarity check available (recorded about 76 days ago); 3/3 transport and email checks available (oldest recorded about 76 days ago). This is evidence coverage, not a probability that a website is safe.
Missing DMARC (mild)
What crucial.com.au said about itself, 2007
Quoted from the site's AboutUs wiki page in each year it changed (1 version). These are the page's own words at the time, not AboutUs's assessment. New words · dropped words
2007
Crucial Paradigm Australia (www.crucial.com.au) is the Australia division of Crucial Paradigm (www.crucialp.com). We are a privately owned, Australian, debt free company operating since 2003. We pride ourselves in building custom web solutions based upon individual requirements while providing our customers with an extremely high level of support, high uptime, and fast page loading.
Site history
Dated record — historical facts always carry their date.
2007
First tracked by AboutUs (Nov 27, 2007); profile edited 4 times.