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3 of 4 safety checks passed (Nov 15, 2026).
Lifeline · weightwatchers.ca over time
Checked in the last 30 daysOlder, dated recordFrom registration records
Registered 26 years ago · on AboutUs since 2014 · 2 registrar changes since Apr 8, 2019 · 2 registrant changes since 2009 · last checked Oct 7, 2026.
Registration
RegisteredOct 2, 2000weightwatchers.ca was registered on Oct 2, 2000.Source: RDAP, fetched Oct 7, 2026
AboutUs record
AboutUs wiki pageJan 1, 2014An AboutUs wiki page described weightwatchers.ca from Jan 1, 2014 to Jan 1, 2014 (1 edit).Source: AboutUs wiki archive, 2006–2023Current AboutUs recordJul 18, 2026 – Oct 7, 2026 (latest)Authority and Safety last refreshed Oct 7, 2026.Source: AboutUs checks
Registrar
SN Domains IncApr 8, 2019 – Jul 23, 2019Registrar SN Domains Inc in the WHOIS and RDAP records held for weightwatchers.ca, from Apr 8, 2019 to Jul 23, 2019.Source: WHOIS / RDAP archive (who.is)Brandsight Canada, LTD.Oct 3, 2020 – Feb 14, 2022Registrar Brandsight Canada, LTD. in the WHOIS and RDAP records held for weightwatchers.ca, from Oct 3, 2020 to Feb 14, 2022.
Registrant
Registrant recordsAug 12, 2009 – May 20, 2026Registration records for weightwatchers.ca are held from Aug 12, 2009 to May 20, 2026 (56 records). 2 changes of registrant name or organization are 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
No nameserver records held, Oct 2011 – May 2013No nameserver records held, Nov 2016 – May 2018Nameservers: weightwatchers.comAug 12, 2009 – Sep 30, 2011Registration records listed weightwatchers.com nameservers (ns1.weightwatchers.com, ns2.weightwatchers.com) for weightwatchers.ca from Aug 12, 2009 to Sep 30, 2011.Source: From registration records (WHOIS / RDAP archive, who.is)
Certificate
AmazonAmazonAug 18, 2025 – Nov 15, 2026Amazon issued 12 certificates for weightwatchers.ca from Aug 18, 2025, the latest valid until May 27, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)DigiCert IncDigiCert Inc
20102020Jan ’26Oct ’26← last 12 months, drawn wider
Every dated fact on this lifeline (18)
Oct 2, 2000Registration: weightwatchers.ca was registered on Oct 2, 2000.Source: RDAP, fetched Oct 7, 2026
Aug 12, 2009 – May 20, 2026Registrant: Registration records for weightwatchers.ca are held from Aug 12, 2009 to May 20, 2026 (56 records). 2 changes of registrant name or organization are 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
Aug 12, 2009 – Sep 30, 2011Zone file: Registration records listed weightwatchers.com nameservers (ns1.weightwatchers.com, ns2.weightwatchers.com) for weightwatchers.ca from Aug 12, 2009 to Sep 30, 2011.Source: From registration records (WHOIS / RDAP archive, who.is)
May 15, 2013 – Nov 22, 2016Zone file: Registration records listed Akamai nameservers (eur2.akam.net, ns1-28.akam.net, ns1-32.akam.net…) for weightwatchers.ca from May 15, 2013 to Nov 22, 2016.Source: From registration records (WHOIS / RDAP archive, who.is)
May 15, 2013Zone file: weightwatchers.ca's nameservers moved from weightwatchers.com to Akamai at some point between Sep 30, 2011 and May 15, 2013. Last seen at weightwatchers.com: Sep 30, 2011 (registration record). First seen at Akamai: May 15, 2013 (registration record). AboutUs holds no nameserver records for the 19 months in between, so the date of the move is not known more closely.
Source: WHOIS / RDAP archive (who.is)
GoDaddy Corporate Domains Canada, Ltd.GoDaddy Corporate Domains Canada, Ltd.May 8, 2022 – May 20, 2026 (latest)Registrar GoDaddy Corporate Domains Canada, Ltd. in the WHOIS and RDAP records held for weightwatchers.ca, from May 8, 2022 to May 20, 2026.Source: WHOIS / RDAP archive (who.is)
Registrant change
Oct 3, 2020
The registrant name or organization in the registration record changed; first recorded Oct 3, 2020. 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
Registrant changeDec 31, 2021The registrant name or organization in the registration record changed; first recorded Dec 31, 2021. 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
2 registrant changes, 2009–2026
Nameservers: AkamaiMay 15, 2013 – Nov 22, 2016Registration records listed Akamai nameservers (eur2.akam.net, ns1-28.akam.net, ns1-32.akam.net…) for weightwatchers.ca from May 15, 2013 to Nov 22, 2016.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to AkamaiMay 15, 2013weightwatchers.ca's nameservers moved from weightwatchers.com to Akamai at some point between Sep 30, 2011 and May 15, 2013. Last seen at weightwatchers.com: Sep 30, 2011 (registration record). First seen at Akamai: May 15, 2013 (registration record). AboutUs holds no nameserver records for the 19 months in between, so the date of the move is not known more closely.Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Nameservers: Amazon Route 53Nameservers: Amazon Route 53May 3, 2018 – May 20, 2026Registration records listed Amazon Route 53 nameservers (dns1.p06.nsone.net, dns2.p06.nsone.net, dns3.p06.nsone.net…) for weightwatchers.ca from May 3, 2018 to May 20, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to Amazon Route 53May 3, 2018weightwatchers.ca's nameservers moved from Akamai to Amazon Route 53 at some point between Nov 22, 2016 and May 3, 2018. Last seen at Akamai: Nov 22, 2016 (registration record). First seen at Amazon Route 53: May 3, 2018 (registration record). AboutUs holds no nameserver records for the 17 months in between, so the date of the move is not known more closely.Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Oct 2, 2025 – Nov 15, 2026
DigiCert Inc issued 2 certificates for weightwatchers.ca from Oct 2, 2025, the latest valid until Apr 15, 2027.
Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Let's EncryptMar 25, 2026 – Nov 15, 2026Let's Encrypt issued 17 certificates for weightwatchers.ca from Mar 25, 2026, the latest valid until Feb 6, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
ZeroSSL GmbHJul 24, 2026 – Oct 27, 2026ZeroSSL GmbH issued 4 certificates for weightwatchers.ca from Jul 24, 2026, the latest valid until Oct 27, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Jan 1, 2014AboutUs record: An AboutUs wiki page described weightwatchers.ca from Jan 1, 2014 to Jan 1, 2014 (1 edit).Source: AboutUs wiki archive, 2006–2023
May 3, 2018 – May 20, 2026Zone file: Registration records listed Amazon Route 53 nameservers (dns1.p06.nsone.net, dns2.p06.nsone.net, dns3.p06.nsone.net…) for weightwatchers.ca from May 3, 2018 to May 20, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
May 3, 2018Zone file: weightwatchers.ca's nameservers moved from Akamai to Amazon Route 53 at some point between Nov 22, 2016 and May 3, 2018. Last seen at Akamai: Nov 22, 2016 (registration record). First seen at Amazon Route 53: May 3, 2018 (registration record). AboutUs holds no nameserver records for the 17 months in between, so the date of the move is not known more closely.Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Apr 8, 2019 – Jul 23, 2019Registrar: Registrar SN Domains Inc in the WHOIS and RDAP records held for weightwatchers.ca, from Apr 8, 2019 to Jul 23, 2019.Source: WHOIS / RDAP archive (who.is)
Oct 3, 2020 – Feb 14, 2022Registrar: Registrar Brandsight Canada, LTD. in the WHOIS and RDAP records held for weightwatchers.ca, from Oct 3, 2020 to Feb 14, 2022.Source: WHOIS / RDAP archive (who.is)
Oct 3, 2020Registrant: The registrant name or organization in the registration record changed; first recorded Oct 3, 2020. 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
Dec 31, 2021Registrant: The registrant name or organization in the registration record changed; first recorded Dec 31, 2021. 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, 2022 – May 20, 2026Registrar: Registrar GoDaddy Corporate Domains Canada, Ltd. in the WHOIS and RDAP records held for weightwatchers.ca, from May 8, 2022 to May 20, 2026.Source: WHOIS / RDAP archive (who.is)
Aug 18, 2025 – Nov 15, 2026Certificate: Amazon issued 12 certificates for weightwatchers.ca from Aug 18, 2025, the latest valid until May 27, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Oct 2, 2025 – Nov 15, 2026Certificate: DigiCert Inc issued 2 certificates for weightwatchers.ca from Oct 2, 2025, the latest valid until Apr 15, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Mar 25, 2026 – Nov 15, 2026Certificate: Let's Encrypt issued 17 certificates for weightwatchers.ca from Mar 25, 2026, the latest valid until Feb 6, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Jul 18, 2026 – Oct 7, 2026AboutUs record: Authority and Safety last refreshed Oct 7, 2026.Source: AboutUs checks
Jul 24, 2026 – Oct 27, 2026Certificate: ZeroSSL GmbH issued 4 certificates for weightwatchers.ca from Jul 24, 2026, the latest valid until Oct 27, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Registered 2000 · its address redirects to www.weightwatchers.com, which answered over HTTPS
weightwatchers.ca has an AboutUs profile for public website intelligence, ownership context, trust signals, monitoring, and owner verification.
Add the HSTS, Content-Security-Policy, and X-Frame-Options response headers.
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 Oct 2, 2000 — 26 years old.
latest result
Registrar on record: GoDaddy Corporate Domains Canada, Ltd. — unchanged since AboutUs began tracking (Nov 15, 2026).
latest result
HTTPS request succeeded for www.weightwatchers.com.
Authority 52/100— ahead of 52% of the August 2026 scored sampleClear
Why this authority score
52 is a percentile: higher than 52% of sites we score.
How it's calculated
Prominence (Tranco rank #192,023)+5
Verified continuity: 26.1 years (RDAP registration)+11
Security & email hygiene+3
Calibration adjustment (published map)+9
Model score: 28/99 — what these reason lines add up to.
Published Authority (percentile): 52/100 — 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 39 days ago); 3/3 transport and email checks available (oldest recorded about 39 days ago). This is evidence coverage, not a probability that a website is safe.
Site history
Dated record — historical facts always carry their date.