Verifying against the live site and live WHOIS/DNS…
Common questions
Is cathaybk.com.tw legit or a scam?
cathaybk.com.tw was registered Apr 28, 2003 (23 years old), per public registration records. 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 cathaybk.com.tw?
Nobody has completed AboutUs's owner verification for cathaybk.com.tw. That's true of most sites here — it isn't itself a warning sign.
When was cathaybk.com.tw registered?
cathaybk.com.tw's registration dates to Apr 28, 2003 (23 years old), per public registration records. NET-CHINESE is the registrar on record today.
Correct a description, link or other detail. Submissions are reviewed before publication.
Registered 2003 · its address redirects to www.cathay-cube.com.tw, which answered over HTTPS
Cathay United Bank (國泰世華銀行) is a Taiwan-based bank offering retail and commercial banking services. The site serves customers in Taiwan and operates in Traditional Chinese.
Checked in the last 30 daysOlder, dated recordFrom registration records
Registered 23 years ago · on AboutUs since 2007 · one registrar since Aug 4, 2025 · no registrant change on record since 2009 · last checked Nov 9, 2026.
Registration
RegisteredApr 28, 2003cathaybk.com.tw was registered on Apr 28, 2003.Source: RDAP, fetched Nov 6, 2026
AboutUs record
AboutUs wiki pageAboutUs wiki pageMay 13, 2007 – Nov 10, 2013An AboutUs wiki page described cathaybk.com.tw from May 13, 2007 to Nov 10, 2013 (2 edits).Source: AboutUs wiki archive, 2006–2023
Registrar
Net-Chinese Co., Ltd.Net-Chinese Co., Ltd.Aug 4, 2025 – Nov 14, 2026 (latest)Registrar Net-Chinese Co., Ltd. (IANA 1336) in the registration data recorded, first on Aug 4, 2025 and most recently on Nov 14, 2026.Source: RDAP, fetched Nov 6, 2026
Registrant
Registrant recordsApr 18, 2009 – Jun 12, 2026Registration records for cathaybk.com.tw are held from Apr 18, 2009 to Jun 12, 2026 (242 records). None shows a change of registrant. 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
No registrant changes recorded, 2009–2026
Zone file
Nameservers: com.twNameservers: com.twApr 18, 2009 – Jun 12, 2026Registration records listed com.tw nameservers (pxdns01.cathaybk.com.tw, pxdns02.cathaybk.com.tw) for cathaybk.com.tw from Apr 18, 2009 to Jun 12, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
Certificate
TAIWAN-CATAIWAN-CAJun 19, 2025 – Nov 15, 2026 (latest)TAIWAN-CA issued 87 certificates for cathaybk.com.tw from Jun 19, 2025, the latest valid until May 28, 2027. Seen in use on Nov 7, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Nov 7, 2026
20052010201520202025Apr ’26← last 12 months, drawn wider
Every dated fact on this lifeline (12)
Apr 28, 2003Registration: cathaybk.com.tw was registered on Apr 28, 2003.Source: RDAP, fetched Nov 6, 2026
May 13, 2007 – Nov 10, 2013AboutUs record: An AboutUs wiki page described cathaybk.com.tw from May 13, 2007 to Nov 10, 2013 (2 edits).Source: AboutUs wiki archive, 2006–2023
Apr 18, 2009 – Jun 12, 2026Registrant: Registration records for cathaybk.com.tw are held from Apr 18, 2009 to Jun 12, 2026 (242 records). None shows a change of registrant. 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
Apr 18, 2009 – Jun 12, 2026Zone file: Registration records listed com.tw nameservers (pxdns01.cathaybk.com.tw, pxdns02.cathaybk.com.tw) for cathaybk.com.tw from Apr 18, 2009 to Jun 12, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
Jun 19, 2025 – Nov 15, 2026Certificate: TAIWAN-CA issued 87 certificates for cathaybk.com.tw from Jun 19, 2025, the latest valid until May 28, 2027. Seen in use on Nov 7, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Nov 7, 2026
Current AboutUs record
Jul 3, 2026 – Nov 9, 2026 (latest)
Authority and Safety last refreshed Nov 9, 2026.
Source: AboutUs checks
GlobalSign nv-sa
GlobalSign nv-saJun 26, 2025 – Nov 15, 2026GlobalSign nv-sa issued 7 certificates for cathaybk.com.tw from Jun 26, 2025, the latest valid until May 1, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
DigiCert IncDigiCert IncJul 2, 2025 – Nov 15, 2026DigiCert Inc issued 49 certificates for cathaybk.com.tw from Jul 2, 2025, the latest valid until May 28, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Sectigo LimitedSectigo LimitedOct 30, 2025 – Nov 15, 2026Sectigo Limited issued 1 certificate for cathaybk.com.tw from Oct 30, 2025, the latest valid until Nov 30, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Google Trust ServicesApr 17, 2026 – Nov 15, 2026Google Trust Services issued 18 certificates for cathaybk.com.tw from Apr 17, 2026, the latest valid until Jan 18, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Let's EncryptJun 6, 2026 – Nov 15, 2026Let's Encrypt issued 4 certificates for cathaybk.com.tw from Jun 6, 2026, the latest valid until Jan 3, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Jun 26, 2025 – Nov 15, 2026
Certificate: GlobalSign nv-sa issued 7 certificates for cathaybk.com.tw from Jun 26, 2025, the latest valid until May 1, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Jul 2, 2025 – Nov 15, 2026Certificate: DigiCert Inc issued 49 certificates for cathaybk.com.tw from Jul 2, 2025, the latest valid until May 28, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Aug 4, 2025 – Nov 14, 2026Registrar: Registrar Net-Chinese Co., Ltd. (IANA 1336) in the registration data recorded, first on Aug 4, 2025 and most recently on Nov 14, 2026.Source: RDAP, fetched Nov 6, 2026
Oct 30, 2025 – Nov 15, 2026Certificate: Sectigo Limited issued 1 certificate for cathaybk.com.tw from Oct 30, 2025, the latest valid until Nov 30, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Apr 17, 2026 – Nov 15, 2026Certificate: Google Trust Services issued 18 certificates for cathaybk.com.tw from Apr 17, 2026, the latest valid until Jan 18, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Jun 6, 2026 – Nov 15, 2026Certificate: Let's Encrypt issued 4 certificates for cathaybk.com.tw from Jun 6, 2026, the latest valid until Jan 3, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Jul 3, 2026 – Nov 9, 2026AboutUs record: Authority and Safety last refreshed Nov 9, 2026.Source: AboutUs checks
All 4 safety checks passed (Nov 15, 2026).
Automated safety checks
DNS (passed)
HTTPS (passed)
Page metadata (passed)
Security headers (passed)
Current facts
Latest available measurements; dated entries retain their dates. These are measurements, not an endorsement of the site.
latest result
Domain registered Apr 28, 2003 — 23 years old.
latest result
Registrar on record: NET-CHINESE — unchanged since AboutUs began tracking (Nov 6, 2026).
latest result
HTTPS request succeeded for www.cathay-cube.com.tw.
Authority 69/100— ahead of 69% of the August 2026 scored sampleClear
Why this authority score
69 is a percentile: higher than 69% of sites we score.
How it's calculated
Prominence (Tranco rank #41,116)+6
Verified continuity: 23.6 years (RDAP registration)+10
Security & email hygiene+5
Calibration adjustment (published map)+14
Model score: 35/99 — what these reason lines add up to.
Published Authority (percentile): 69/100 — this site's rank against the August 2026 scored sample. Public Authority is capped at 99.
Safety evidence
No unexpired threat-feed result; name-similarity check available (recorded about 6 days ago); 3/3 transport and email checks available (oldest recorded about 6 days ago). This is evidence coverage, not a probability that a website is safe.
Site history
Dated record — historical facts always carry their date.
2003
Domain registered (Apr 28, 2003).
2007
First tracked by AboutUs (May 13, 2007); profile edited 2 times through 2013.