Verifying against the live site and live WHOIS/DNS…
Common questions
Is mailchimp.com legit or a scam?
mailchimp.com was registered Jun 29, 2001 (25 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 mailchimp.com?
Nobody has completed AboutUs's owner verification for mailchimp.com. That's true of most sites here — it isn't itself a warning sign.
When was mailchimp.com registered?
mailchimp.com's registration dates to Jun 29, 2001 (25 years old), per public registration records. MarkMonitor Inc. is the registrar on record today.
Correct a description, link or other detail. Submissions are reviewed before publication.
Email & SMS Marketing Platform | Mailchimp
Mailchimp is an email and SMS marketing platform that helps businesses design campaigns, manage audiences, and automate marketing with AI-powered tools. It serves ecommerce retailers, small businesses, nonprofits, professional services firms, and content creators, offering a free tier and paid plans starting with a 14-day trial.
AboutUs Site Facts
Independent record by AboutUs · not written by mailchimp.com
mailchimp.com
aboutus.com/mailchimp.comScores refreshed Oct 25, 2026Not an official or audited rating
SignalMeasured
Authority
Link-graph prominence, 0–99
93
Safety
No known risk flags
Known risk signals, not a check pass rate
90
Registered
Jun 29, 200125 years old · RDAP fetched Oct 25, 2026
Registrar
MarkMonitor Inc.
Measurements, not a verdict about the site. Authority scores draw on Open PageRank link-graph data.
Authority 93/100— ahead of 93% of the August 2026 scored sampleClear
Why this authority score
93 is a percentile: higher than 93% of sites we score.
How it's calculated
Prominence (Tranco rank #748)+11
Verified continuity: 25.3 years (RDAP registration)+11
Security & email hygiene+5
Calibration adjustment (published map)+20
Model score: 47/99 — what these reason lines add up to.
Published Authority (percentile): 93/100 — 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 4 days ago); 3/3 transport and email checks available (oldest recorded about 4 days ago). This is evidence coverage, not a probability that a website is safe.
What mailchimp.com said about itself, 2010–2013
Quoted from the site's AboutUs wiki page in each year it changed (2 versions). These are the page's own words at the time, not AboutUs's assessment. New words · dropped words
2010
In today's highly competitive business world, it is vital for companies to explore all avenues for marketing their products and services. The importance of an easy-to-use, effective email marketing service, especially one that doesn't require too deep a purse to make use of, can never be overstated.
2013
MailChimp.com offers free email marketing services to companies and businesses. Offers simple and easy-to-use tools for sending out emails to potential cli...rewritten
Now
Mailchimp is an email and SMS marketing platform that helps businesses design campaigns, manage audiences, and automate marketing with AI-powered tools. It serves ecommerce retailers, small businesses, nonprofits, professional services firms, and content creators, offering a free tier and paid plans starting with a 14-day trial.
AboutUs summary of the current website, Sep 30, 2026.
Site history
Dated record — historical facts always carry their date.
2001
Domain registered (Jun 29, 2001).
2010
First tracked by AboutUs (Mar 29, 2010); profile edited 12 times through 2014.
✓ name continuity same company name for 16 years✓ domain continuity 25 years registered✓ live verified Oct 29, 2026
No caution flags in the available scoring observations; this is not a complete safety assessment
Lifeline · mailchimp.com over time
Checked in the last 30 daysOlder, dated recordFrom registration records
Registered 25 years ago · on AboutUs since 2010 · 1 registrar change since Jul 2, 2011 · 1 ownership change since 2008 · last checked Oct 29, 2026.
Registration
RegisteredJun 29, 2001mailchimp.com was registered on Jun 29, 2001.Source: RDAP, fetched Oct 25, 2026
AboutUs record
AboutUs wiki pageAboutUs wiki pageMar 29, 2010 – Dec 20, 2014An AboutUs wiki page described mailchimp.com from Mar 29, 2010 to Dec 20, 2014 (12 edits).Source: AboutUs wiki archive, 2006–2023
Registrar
Network Solutions, LLCNetwork Solutions, LLCJul 2, 2011 – Jun 21, 2024Registrar Network Solutions, LLC (IANA 2) in the WHOIS and RDAP records held for mailchimp.com, from Jul 2, 2011 to Jun 21, 2024.Source: WHOIS / RDAP archive (who.is)MarkMonitor, Inc.
Ownership
Ownership recordsMar 8, 2008 – Jun 29, 2026Registration records for mailchimp.com are held from Mar 8, 2008 to Jun 29, 2026 (1,019 records). 1 change of registrant name or organization is marked. Privacy-service and redaction changes are not counted.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Zone file
Nameservers: rackspace.comMar 8, 2008 – Sep 18, 2008Registration records listed rackspace.com nameservers (ns.rackspace.com, ns2.rackspace.com) for mailchimp.com from Mar 8, 2008 to Sep 18, 2008.Source: From registration records (WHOIS / RDAP archive, who.is)
Certificate
AmazonMay 4, 2026 – Oct 29, 2026Amazon issued 17 certificates for mailchimp.com from May 4, 2026, the latest valid until Apr 25, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)Let's EncryptMay 8, 2026 – Oct 29, 2026
20052010201520202025Apr ’26← last 12 months, drawn wider
Every dated fact on this lifeline (26)
Jun 29, 2001Registration: mailchimp.com was registered on Jun 29, 2001.Source: RDAP, fetched Oct 25, 2026
Mar 8, 2008 – Jun 29, 2026Ownership: Registration records for mailchimp.com are held from Mar 8, 2008 to Jun 29, 2026 (1,019 records). 1 change of registrant name or organization is marked. Privacy-service and redaction changes are not counted.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Mar 8, 2008 – Sep 18, 2008Zone file: Registration records listed rackspace.com nameservers (ns.rackspace.com, ns2.rackspace.com) for mailchimp.com from Mar 8, 2008 to Sep 18, 2008.Source: From registration records (WHOIS / RDAP archive, who.is)
Oct 31, 2008 – Feb 23, 2011Zone file: Registration records listed tzo.com nameservers (ns.tzo.com, ns2.tzo.com, ns3.tzo.com…) for mailchimp.com from Oct 31, 2008 to Feb 23, 2011.Source: From registration records (WHOIS / RDAP archive, who.is)
Oct 31, 2008Zone file: mailchimp.com's nameservers moved from rackspace.com to tzo.com between Sep 18, 2008 and Oct 31, 2008. Last seen at rackspace.com: Sep 18, 2008 (registration record). First seen at tzo.com: Oct 31, 2008 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Said about itself in 2010
Jul 1, 2010
“In today's highly competitive business world, it is vital for companies to explore all avenues for marketing their products and services. The importance of an easy-to-use, effective email marketing service, especially o…”
Source: AboutUs wiki archive, 2010
Said about itself in 2013Jul 1, 2013“MailChimp.com offers free email marketing services to companies and businesses. Offers simple and easy-to-use tools for sending out emails to potential cli...”Source: AboutUs wiki archive, 2013
Current AboutUs recordJun 15, 2026 – Oct 25, 2026 (latest)Authority and Safety last refreshed Oct 25, 2026.Source: AboutUs checks
MarkMonitor, Inc.Jun 24, 2024 – Oct 29, 2026 (latest)Registrar MarkMonitor, Inc. (IANA 292) in the registration data recorded, first on Jun 24, 2024 and most recently on Oct 29, 2026.Source: RDAP, fetched Oct 25, 2026
Ownership change
Jun 24, 2024
The registrant name or organization in the registration record changed; first recorded Jun 24, 2024. Who it changed to is in the full report.
Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
1 ownership change, 2008–2026
Nameservers: tzo.com
Oct 31, 2008 – Feb 23, 2011
Registration records listed tzo.com nameservers (ns.tzo.com, ns2.tzo.com, ns3.tzo.com…) for mailchimp.com from Oct 31, 2008 to Feb 23, 2011.
Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to tzo.comOct 31, 2008mailchimp.com's nameservers moved from rackspace.com to tzo.com between Sep 18, 2008 and Oct 31, 2008. Last seen at rackspace.com: Sep 18, 2008 (registration record). First seen at tzo.com: Oct 31, 2008 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Nameservers: dnshosting.comMar 2, 2011 – Mar 23, 2011Registration records listed dnshosting.com nameservers (any1.dnshosting.com, any2.dnshosting.com) for mailchimp.com from Mar 2, 2011 to Mar 23, 2011.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to dnshosting.comMar 2, 2011mailchimp.com's nameservers moved from tzo.com to dnshosting.com between Feb 23, 2011 and Mar 2, 2011. Last seen at tzo.com: Feb 23, 2011 (registration record). First seen at dnshosting.com: Mar 2, 2011 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Nameservers: UltraDNS (Neustar/Vercara)Mar 25, 2011 – Oct 17, 2013Registration records listed UltraDNS (Neustar/Vercara) nameservers (udns1.ultradns.net, udns2.ultradns.net) for mailchimp.com from Mar 25, 2011 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)
DNS moved to UltraDNS (Neustar/Vercara)Mar 25, 2011mailchimp.com's nameservers moved from dnshosting.com to UltraDNS (Neustar/Vercara) between Mar 23, 2011 and Mar 25, 2011. Last seen at dnshosting.com: Mar 23, 2011 (registration record). First seen at UltraDNS (Neustar/Vercara): Mar 25, 2011 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Nameservers: UltraDNS (Neustar/Vercara)Oct 18, 2013 – Mar 27, 2015UltraDNS (Neustar/Vercara) (pdns177.ultradns.biz, pdns177.ultradns.com, pdns177.ultradns.net…) were the nameservers listed for mailchimp.com at every ICANN zone-file snapshot AboutUs holds from Oct 18, 2013 to Mar 27, 2015 (snapshots exist for only part of 2013–2018).Source: ICANN zone-file snapshots, 2013–2018 (legacy archive)
Nameservers: AkamaiSep 23, 2015 – Apr 3, 2018Akamai (a1-205.akam.net, a14-66.akam.net, a4-65.akam.net…) were the nameservers listed for mailchimp.com at every ICANN zone-file snapshot AboutUs holds from Sep 23, 2015 to Apr 3, 2018 (snapshots exist for only part of 2013–2018).Source: ICANN zone-file snapshots, 2013–2018 (legacy archive)
DNS moved to AkamaiSep 23, 2015mailchimp.com's nameservers moved from UltraDNS (Neustar/Vercara) to Akamai at some point between Mar 27, 2015 and Sep 23, 2015. Last seen at UltraDNS (Neustar/Vercara): Mar 27, 2015 (ICANN zone-file snapshot). First seen at Akamai: Sep 23, 2015 (ICANN zone-file snapshot). AboutUs holds no nameserver records for the 6 months in between, so the date of the move is not known more closely.Source: Derived from the nameserver records on this lifeline (ICANN zone-file snapshot → ICANN zone-file snapshot)
Nameservers: AkamaiNameservers: AkamaiApr 4, 2018 – Jun 29, 2026Registration records listed Akamai nameservers (a1-205.akam.net, a14-66.akam.net, a4-65.akam.net…) for mailchimp.com from Apr 4, 2018 to Jun 29, 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 – Oct 29, 2026 (latest)First seen in the .com zone file records AboutUs holds on Sep 8, 2026; latest sighting Oct 29, 2026. Nameservers on Oct 29, 2026: a1-205.akam.net, a14-66.akam.net, a4-65.akam.net, a5-65.akam.net….Source: ICANN CZDS zone file, snapshot Oct 29, 2026
Let's Encrypt issued 55 certificates for mailchimp.com from May 8, 2026, the latest valid until Jan 24, 2027.
Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
DigiCert IncMay 17, 2026 – Oct 29, 2026DigiCert Inc issued 29 certificates for mailchimp.com from May 17, 2026, the latest valid until Apr 24, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Google Trust ServicesMay 18, 2026 – Oct 29, 2026Google Trust Services issued 59 certificates for mailchimp.com from May 18, 2026, the latest valid until Jan 27, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Certificate from DigiCert IncCertificate from DigiCert IncJan 9, 2026 – Oct 20, 2026 (latest)DigiCert Inc certificate valid Jan 9, 2026 to Jan 16, 2027, as seen on Oct 20, 2026.Source: TLS check, Oct 20, 2026
Mar 29, 2010 – Dec 20, 2014AboutUs record: An AboutUs wiki page described mailchimp.com from Mar 29, 2010 to Dec 20, 2014 (12 edits).Source: AboutUs wiki archive, 2006–2023
Jul 1, 2010AboutUs record: “In today's highly competitive business world, it is vital for companies to explore all avenues for marketing their products and services. The importance of an easy-to-use, effective email marketing service, especially o…”Source: AboutUs wiki archive, 2010
Mar 2, 2011 – Mar 23, 2011Zone file: Registration records listed dnshosting.com nameservers (any1.dnshosting.com, any2.dnshosting.com) for mailchimp.com from Mar 2, 2011 to Mar 23, 2011.Source: From registration records (WHOIS / RDAP archive, who.is)
Mar 2, 2011Zone file: mailchimp.com's nameservers moved from tzo.com to dnshosting.com between Feb 23, 2011 and Mar 2, 2011. Last seen at tzo.com: Feb 23, 2011 (registration record). First seen at dnshosting.com: Mar 2, 2011 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Mar 25, 2011 – Oct 17, 2013Zone file: Registration records listed UltraDNS (Neustar/Vercara) nameservers (udns1.ultradns.net, udns2.ultradns.net) for mailchimp.com from Mar 25, 2011 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)
Mar 25, 2011Zone file: mailchimp.com's nameservers moved from dnshosting.com to UltraDNS (Neustar/Vercara) between Mar 23, 2011 and Mar 25, 2011. Last seen at dnshosting.com: Mar 23, 2011 (registration record). First seen at UltraDNS (Neustar/Vercara): Mar 25, 2011 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Jul 2, 2011 – Jun 21, 2024Registrar: Registrar Network Solutions, LLC (IANA 2) in the WHOIS and RDAP records held for mailchimp.com, from Jul 2, 2011 to Jun 21, 2024.Source: WHOIS / RDAP archive (who.is)
Jul 1, 2013AboutUs record: “MailChimp.com offers free email marketing services to companies and businesses. Offers simple and easy-to-use tools for sending out emails to potential cli...”Source: AboutUs wiki archive, 2013
Oct 18, 2013 – Mar 27, 2015Zone file: UltraDNS (Neustar/Vercara) (pdns177.ultradns.biz, pdns177.ultradns.com, pdns177.ultradns.net…) were the nameservers listed for mailchimp.com at every ICANN zone-file snapshot AboutUs holds from Oct 18, 2013 to Mar 27, 2015 (snapshots exist for only part of 2013–2018).Source: ICANN zone-file snapshots, 2013–2018 (legacy archive)
Sep 23, 2015 – Apr 3, 2018Zone file: Akamai (a1-205.akam.net, a14-66.akam.net, a4-65.akam.net…) were the nameservers listed for mailchimp.com at every ICANN zone-file snapshot AboutUs holds from Sep 23, 2015 to Apr 3, 2018 (snapshots exist for only part of 2013–2018).Source: ICANN zone-file snapshots, 2013–2018 (legacy archive)
Sep 23, 2015Zone file: mailchimp.com's nameservers moved from UltraDNS (Neustar/Vercara) to Akamai at some point between Mar 27, 2015 and Sep 23, 2015. Last seen at UltraDNS (Neustar/Vercara): Mar 27, 2015 (ICANN zone-file snapshot). First seen at Akamai: Sep 23, 2015 (ICANN zone-file snapshot). AboutUs holds no nameserver records for the 6 months in between, so the date of the move is not known more closely.Source: Derived from the nameserver records on this lifeline (ICANN zone-file snapshot → ICANN zone-file snapshot)
Apr 4, 2018 – Jun 29, 2026Zone file: Registration records listed Akamai nameservers (a1-205.akam.net, a14-66.akam.net, a4-65.akam.net…) for mailchimp.com from Apr 4, 2018 to Jun 29, 2026. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)
Jun 24, 2024 – Oct 29, 2026Registrar: Registrar MarkMonitor, Inc. (IANA 292) in the registration data recorded, first on Jun 24, 2024 and most recently on Oct 29, 2026.Source: RDAP, fetched Oct 25, 2026
Jun 24, 2024Ownership: The registrant name or organization in the registration record changed; first recorded Jun 24, 2024. Who it changed to is in the full report.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Jan 9, 2026 – Oct 20, 2026Certificate: DigiCert Inc certificate valid Jan 9, 2026 to Jan 16, 2027, as seen on Oct 20, 2026.Source: TLS check, Oct 20, 2026
May 4, 2026 – Oct 29, 2026Certificate: Amazon issued 17 certificates for mailchimp.com from May 4, 2026, the latest valid until Apr 25, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
May 8, 2026 – Oct 29, 2026Certificate: Let's Encrypt issued 55 certificates for mailchimp.com from May 8, 2026, the latest valid until Jan 24, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
May 17, 2026 – Oct 29, 2026Certificate: DigiCert Inc issued 29 certificates for mailchimp.com from May 17, 2026, the latest valid until Apr 24, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
May 18, 2026 – Oct 29, 2026Certificate: Google Trust Services issued 59 certificates for mailchimp.com from May 18, 2026, the latest valid until Jan 27, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Jun 15, 2026 – Oct 25, 2026AboutUs record: Authority and Safety last refreshed Oct 25, 2026.Source: AboutUs checks
Sep 8, 2026 – Oct 29, 2026Zone file: First seen in the .com zone file records AboutUs holds on Sep 8, 2026; latest sighting Oct 29, 2026. Nameservers on Oct 29, 2026: a1-205.akam.net, a14-66.akam.net, a4-65.akam.net, a5-65.akam.net….Source: ICANN CZDS zone file, snapshot Oct 29, 2026