Verifying against the live site and live WHOIS/DNS…
Common questions
Is zwei.com 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 zwei.com?
Nobody has completed AboutUs's owner verification for zwei.com. 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 · zwei.com over time
Checked in the last 30 daysOlder, dated recordFrom registration records
Registered 29 years ago · on AboutUs since 2006 · 2 registrar changes since Jul 24, 2007 · no ownership change on record since 2007 · last checked Oct 13, 2026.
Registration
RegisteredJul 28, 1997zwei.com was registered on Jul 28, 1997.Source: RDAP, fetched Aug 24, 2026
AboutUs record
AboutUs wiki pageJun 21, 2006 – Jan 18, 2008An AboutUs wiki page described zwei.com from Jun 21, 2006 to Jan 18, 2008 (2 edits).Source: AboutUs wiki archive, 2006–2023Current AboutUs recordJul 8, 2026 – Aug 24, 2026 (latest)
Registrar
TUCOWS, INC.TUCOWS, INC.Jul 24, 2007 – Jul 27, 2013Registrar TUCOWS, INC. in the WHOIS and RDAP records held for zwei.com, from Jul 24, 2007 to Jul 27, 2013.Source: WHOIS / RDAP archive (who.is)Japan Registry Services Co.,Ltd.(JPRS)
Ownership
Ownership recordsJul 24, 2007 – Jun 20, 2026Registration records for zwei.com are held from Jul 24, 2007 to Jun 20, 2026 (141 records). None shows a change of registrant. Privacy-service and redaction changes are not counted.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
No ownership changes recorded, 2007–2026
Zone file
Nameservers: ad.jpNameservers: ad.jpJul 24, 2007 – Oct 17, 2013Registration records listed ad.jp nameservers (ntp1.dnp.ad.jp, ntp2.dnp.ad.jp) for zwei.com from Jul 24, 2007 to Oct 17, 2013. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)
Certificate
Let's EncryptJun 9, 2026 – Oct 26, 2026Let's Encrypt issued 3 certificates for zwei.com from Jun 9, 2026, the latest valid until Jan 7, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)AmazonJul 30, 2026 – Oct 26, 2026Amazon issued 1 certificate for zwei.com from Jul 30, 2026, the latest valid until Feb 12, 2027.
200020102020Jan ’26Oct ’26← last 12 months, drawn wider
Every dated fact on this lifeline (15)
Jul 28, 1997Registration: zwei.com was registered on Jul 28, 1997.Source: RDAP, fetched Aug 24, 2026
Jun 21, 2006 – Jan 18, 2008AboutUs record: An AboutUs wiki page described zwei.com from Jun 21, 2006 to Jan 18, 2008 (2 edits).Source: AboutUs wiki archive, 2006–2023
Jul 24, 2007 – Jul 27, 2013Registrar: Registrar TUCOWS, INC. in the WHOIS and RDAP records held for zwei.com, from Jul 24, 2007 to Jul 27, 2013.Source: WHOIS / RDAP archive (who.is)
Jul 24, 2007 – Jun 20, 2026Ownership: Registration records for zwei.com are held from Jul 24, 2007 to Jun 20, 2026 (141 records). None shows a change of registrant. Privacy-service and redaction changes are not counted.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Jul 24, 2007 – Oct 17, 2013Zone file: Registration records listed ad.jp nameservers (ntp1.dnp.ad.jp, ntp2.dnp.ad.jp) for zwei.com from Jul 24, 2007 to Oct 17, 2013. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)
Oct 18, 2013 – Apr 3, 2018ad.jp (dns1.attokyo.ad.jp, toyo-dns1.attokyo.ad.jp) were the nameservers listed for zwei.com at every ICANN zone-file snapshot AboutUs holds from Oct 18, 2013 to Apr 3, 2018 (snapshots exist for only part of 2013–2018).
Authority and Safety last refreshed Aug 24, 2026.
Source: AboutUs checks
Japan Registry Services Co.,Ltd.(JPRS)
Jan 18, 2017 – Jun 20, 2026
Registrar Japan Registry Services Co.,Ltd.(JPRS) (IANA 1485) in the WHOIS and RDAP records held for zwei.com, from Jan 18, 2017 to Jun 20, 2026.
Source: WHOIS / RDAP archive (who.is)
Japan Registry Services Co., Ltd.Aug 9, 2026 – Oct 13, 2026 (latest)Registrar Japan Registry Services Co., Ltd. in the registration data recorded, first on Aug 9, 2026 and most recently on Oct 13, 2026.Source: RDAP, fetched Aug 24, 2026
Nameservers: ad.jp
Oct 18, 2013 – Apr 3, 2018
ad.jp (dns1.attokyo.ad.jp, toyo-dns1.attokyo.ad.jp) were the nameservers listed for zwei.com at every ICANN zone-file snapshot AboutUs holds from Oct 18, 2013 to Apr 3, 2018 (snapshots exist for only part of 2013–2018).
Nameservers: ad.jpNameservers: ad.jpApr 4, 2018 – Jun 20, 2026Registration records listed ad.jp nameservers (ntp1.dnp.ad.jp, ntp2.dnp.ad.jp) for zwei.com from Apr 4, 2018 to Jun 20, 2026. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)
Seen in the .com zone fileSep 8, 2026 – Sep 24, 2026 (latest)First seen in the .com zone file records AboutUs holds on Sep 8, 2026; latest sighting Sep 24, 2026. Nameservers on Sep 24, 2026: dns-b.iij.ad.jp, dns-c.iij.ad.jp.Source: ICANN CZDS zone file, snapshot Sep 24, 2026
Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Google Trust ServicesAug 19, 2026 – Oct 26, 2026Google Trust Services issued 7 certificates for zwei.com from Aug 19, 2026, the latest valid until Jan 16, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Certificate from SECOM Trust Systems CO.,LTD.Certificate from SECOM Trust Systems CO.,LTD.Nov 21, 2025 – Oct 13, 2026 (latest)SECOM Trust Systems CO.,LTD. certificate valid Nov 21, 2025 to Dec 20, 2026, as seen on Oct 13, 2026.Source: TLS check, Oct 13, 2026
Jan 18, 2017 – Jun 20, 2026Registrar: Registrar Japan Registry Services Co.,Ltd.(JPRS) (IANA 1485) in the WHOIS and RDAP records held for zwei.com, from Jan 18, 2017 to Jun 20, 2026.Source: WHOIS / RDAP archive (who.is)
Apr 4, 2018 – Jun 20, 2026Zone file: Registration records listed ad.jp nameservers (ntp1.dnp.ad.jp, ntp2.dnp.ad.jp) for zwei.com from Apr 4, 2018 to Jun 20, 2026. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)
Nov 21, 2025 – Oct 13, 2026Certificate: SECOM Trust Systems CO.,LTD. certificate valid Nov 21, 2025 to Dec 20, 2026, as seen on Oct 13, 2026.Source: TLS check, Oct 13, 2026
Jun 9, 2026 – Oct 26, 2026Certificate: Let's Encrypt issued 3 certificates for zwei.com from Jun 9, 2026, the latest valid until Jan 7, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Jul 8, 2026 – Aug 24, 2026AboutUs record: Authority and Safety last refreshed Aug 24, 2026.Source: AboutUs checks
Jul 30, 2026 – Oct 26, 2026Certificate: Amazon issued 1 certificate for zwei.com from Jul 30, 2026, the latest valid until Feb 12, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Aug 9, 2026 – Oct 13, 2026Registrar: Registrar Japan Registry Services Co., Ltd. in the registration data recorded, first on Aug 9, 2026 and most recently on Oct 13, 2026.Source: RDAP, fetched Aug 24, 2026
Aug 19, 2026 – Oct 26, 2026Certificate: Google Trust Services issued 7 certificates for zwei.com from Aug 19, 2026, the latest valid until Jan 16, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Sep 8, 2026 – Sep 24, 2026Zone file: First seen in the .com zone file records AboutUs holds on Sep 8, 2026; latest sighting Sep 24, 2026. Nameservers on Sep 24, 2026: dns-b.iij.ad.jp, dns-c.iij.ad.jp.Source: ICANN CZDS zone file, snapshot Sep 24, 2026
1 of 2 safety checks passed (Oct 26, 2026).
Registered 1997 · AboutUs could not get a response over HTTPS when it checked (Oct 26, 2026)
Zwei.com
Zwei is a Japanese marriage introduction and matchmaking service with 48 locations nationwide. The company operates as a partner-matching agency offering relationship introductions and counseling services, with approximately 40,000 members as of 2005.
Make sure the site responds over HTTPS with a valid certificate.
AboutUs has not vetted this site. Everything below is what we could measure automatically. Anything you do on the site — paying, sharing personal details, downloading — is between you and the site, not AboutUs.
Current facts
Latest available measurements; dated entries retain their dates. These are measurements, not an endorsement of the site.
latest result
Domain registered Jul 28, 1997 — 29 years old.
latest result
Registrar on record: Japan Registry Services Co., Ltd. — unchanged since AboutUs began tracking (Aug 9, 2026).
checked Oct 3, 2026
The site names zwei inc as the organisation behind it.
checked Oct 3, 2026
The live front page reads as a community or social site that sells its own services, mainly for the public as customers.
✓ domain continuity 29 years registered– no HTTPS response the site did not answer over HTTPS when checked Oct 26, 2026
Safety evidence
No unexpired threat-feed result; name-similarity check available (recorded about 63 days ago); 3/3 transport and email checks available (oldest recorded about 63 days ago). This is evidence coverage, not a probability that a website is safe.
Recorded HTTPS check did not confirm a valid connection