Verifying against the live site and live WHOIS/DNS…
Common questions
Is lexico.com legit or a scam?
lexico.com was registered Jan 19, 1998 (28 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 lexico.com?
Nobody has completed AboutUs's owner verification for lexico.com. That's true of most sites here — it isn't itself a warning sign.
When was lexico.com registered?
lexico.com's registration dates to Jan 19, 1998 (28 years old), per public registration records. 101domain GRS Limited is the registrar on record today.
Correct a description, link or other detail. Submissions are reviewed before publication.
Lifeline · lexico.com over time
Checked in the last 30 daysOlder, dated recordFrom registration records
Registered 28 years ago · on AboutUs since 2006 · 7 registrar changes since Sep 28, 2008 · 3 registrant changes since 2007 · last checked Nov 13, 2026.
Registration
RegisteredJan 19, 1998lexico.com was registered on Jan 19, 1998.Source: RDAP, fetched Nov 9, 2026
AboutUs record
AboutUs wiki pageAboutUs wiki pageJun 20, 2006 – Nov 9, 2013An AboutUs wiki page described lexico.com from Jun 20, 2006 to Nov 9, 2013 (3 edits).Source: AboutUs wiki archive, 2006–2023Said about itself in 2006Jul 1, 2006“Lexico Publishing Group, LLC is an independent, privately-held company based in Los Angeles, California, offering online reference and learning services through its destination Web sites, Dictionary.com and Thesaurus.co…”Source: AboutUs wiki archive, 2006Current AboutUs recordJun 18, 2026 – Nov 9, 2026 (latest)Authority and Safety last refreshed Nov 9, 2026.Source: AboutUs checks
Registrar
CORPORATE DOMAINS, INC.Sep 28, 2008 – Jul 23, 2009Registrar CORPORATE DOMAINS, INC. (IANA 299) in the WHOIS and RDAP records held for lexico.com, from Sep 28, 2008 to Jul 23, 2009.Source: WHOIS / RDAP archive (who.is)Markmonitor.comAug 3, 2009 – Mar 25, 2011Registrar Markmonitor.com in the WHOIS and RDAP records held for lexico.com, from Aug 3, 2009 to Mar 25, 2011.Source: WHOIS / RDAP archive (who.is)MarkMonitor, Inc.Jul 19, 2011Registrar MarkMonitor, Inc. (IANA 292) in the registration data recorded on Jul 19, 2011.Source: WHOIS / RDAP archive (who.is)Markmonitor.comAug 12, 2011 – Nov 2, 2013Registrar Markmonitor.com in the WHOIS and RDAP records held for lexico.com, from Aug 12, 2011 to Nov 2, 2013.Source: WHOIS / RDAP archive (who.is)MarkMonitor, Inc.May 17, 2014 – Dec 17, 2018Registrar MarkMonitor, Inc. (IANA 292) in the WHOIS and RDAP records held for lexico.com, from May 17, 2014 to Dec 17, 2018.Source: WHOIS / RDAP archive (who.is)CSC CORPORATE DOMAINS, INC.CSC CORPORATE DOMAINS, INC.Mar 24, 2019 – Feb 25, 2024Registrar CSC CORPORATE DOMAINS, INC. (IANA 299) in the WHOIS and RDAP records held for lexico.com, from Mar 24, 2019 to Feb 25, 2024.Source: WHOIS / RDAP archive (who.is)GoDaddy.com, LLCMay 17, 2024 – Jun 8, 2024Registrar GoDaddy.com, LLC (IANA 146) in the WHOIS and RDAP records held for lexico.com, from May 17, 2024 to Jun 8, 2024.Source: WHOIS / RDAP archive (who.is)101domain GRS Limited101domain GRS LimitedAug 6, 2024 – Nov 6, 2026 (latest)Registrar 101domain GRS Limited (IANA 1011) in the registration data recorded, first on Aug 6, 2024 and most recently on Nov 6, 2026.Source: RDAP, fetched Nov 9, 2026
Registrant
Registrant recordsJul 20, 2007 – Jun 2, 2026Registration records for lexico.com are held from Jul 20, 2007 to Jun 2, 2026 (225 records). 3 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 onlyRegistrant changeSep 28, 2008The registrant name or organization in the registration record changed; first recorded Sep 28, 2008. 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 onlyRegistrant changeMay 17, 2014The registrant name or organization in the registration record changed; first recorded May 17, 2014. 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 onlyRegistrant changeAug 6, 2024The registrant name or organization in the registration record changed; first recorded Aug 6, 2024. 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
3 registrant changes, 2007–2026
Zone file
Nameservers: UltraDNS (Neustar/Vercara)Jul 20, 2007 – Jul 11, 2008Registration records listed UltraDNS (Neustar/Vercara) nameservers (pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org…) for lexico.com from Jul 20, 2007 to Jul 11, 2008.Source: From registration records (WHOIS / RDAP archive, who.is)Nameservers: ask.com, askjeeves.comJul 30, 2008 – Aug 20, 2008Registration records listed ask.com, askjeeves.com nameservers (name1.askjeeves.com, name5.ask.com) for lexico.com from Jul 30, 2008 to Aug 20, 2008.Source: From registration records (WHOIS / RDAP archive, who.is)DNS moved to ask.com, askjeeves.comJul 30, 2008lexico.com's nameservers moved from UltraDNS (Neustar/Vercara) to ask.com, askjeeves.com between Jul 11, 2008 and Jul 30, 2008. Last seen at UltraDNS (Neustar/Vercara): Jul 11, 2008 (registration record). First seen at ask.com, askjeeves.com: Jul 30, 2008 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)Nameservers: ask.comMar 27, 2009 – Oct 17, 2013Registration records listed ask.com nameservers (name1.ask.com, name2.ask.com, name5.ask.com…) for lexico.com from Mar 27, 2009 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 ask.comMar 27, 2009lexico.com's nameservers moved from ask.com, askjeeves.com to ask.com at some point between Aug 20, 2008 and Mar 27, 2009. Last seen at ask.com, askjeeves.com: Aug 20, 2008 (registration record). First seen at ask.com: Mar 27, 2009 (registration record). AboutUs holds no nameserver records for the 7 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: ask.comOct 18, 2013 – Apr 1, 2016ask.com (name1.ask.com, name2.ask.com, name5.ask.com…) were the nameservers listed for lexico.com at every ICANN zone-file snapshot AboutUs holds from Oct 18, 2013 to Apr 1, 2016 (snapshots exist for only part of 2013–2018).Source: ICANN zone-file snapshots, 2013–2018 (legacy archive)Nameservers: ask.comApr 2, 2016 – Aug 12, 2017Registration records listed ask.com nameservers (name1.ask.com, name2.ask.com, name5.ask.com…) for lexico.com from Apr 2, 2016 to Aug 12, 2017. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)Nameservers: Amazon Route 53Sep 25, 2017 – Apr 2, 2018Registration records listed Amazon Route 53 nameservers (ns-1111.awsdns-10.org, ns-1688.awsdns-19.co.uk, ns-314.awsdns-39.com…) for lexico.com from Sep 25, 2017 to Apr 2, 2018. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)DNS moved to Amazon Route 53Sep 25, 2017lexico.com's nameservers moved from ask.com to Amazon Route 53 between Aug 12, 2017 and Sep 25, 2017. Last seen at ask.com: Aug 12, 2017 (registration record). First seen at Amazon Route 53: Sep 25, 2017 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)Nameservers: Amazon Route 53Apr 3, 2018Amazon Route 53 (ns-1111.awsdns-10.org, ns-1688.awsdns-19.co.uk, ns-314.awsdns-39.com…) were the nameservers listed for lexico.com at every ICANN zone-file snapshot AboutUs holds from Apr 3, 2018 to Apr 3, 2018 (snapshots exist for only part of 2013–2018).Source: ICANN zone-file snapshots, 2013–2018 (legacy archive)Nameservers: Amazon Route 53Nameservers: Amazon Route 53Apr 4, 2018 – Jun 2, 2026Registration records listed Amazon Route 53 nameservers (ns-1111.awsdns-10.org, ns-1688.awsdns-19.co.uk, ns-314.awsdns-39.com…) for lexico.com from Apr 4, 2018 to Jun 2, 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 – Nov 13, 2026 (latest)First seen in the .com zone file records AboutUs holds on Sep 8, 2026; latest sighting Nov 13, 2026. Nameservers on Nov 13, 2026: gabe.ns.cloudflare.com, gail.ns.cloudflare.com.Source: ICANN CZDS zone file, snapshot Nov 13, 2026Nameservers changedSep 23, 2026The nameservers listed for lexico.com changed in the zone file on Sep 23, 2026.Source: ICANN CZDS zone file, snapshot Nov 13, 2026DNS moved to CloudflareNov 13, 2026lexico.com's nameservers moved from Amazon Route 53 to Cloudflare at some point between Jun 2, 2026 and Nov 13, 2026. Last seen at Amazon Route 53: Jun 2, 2026 (registration record). First seen at Cloudflare: Nov 13, 2026 (ICANN zone file (CZDS)). AboutUs holds no nameserver records for the 5 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 → ICANN zone file (CZDS))
Certificate
Google Trust ServicesSep 17, 2026 – Nov 13, 2026 (latest)Google Trust Services issued 8 certificates for lexico.com from Sep 17, 2026, the latest valid until Dec 21, 2026. Seen in use on Oct 3, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Oct 3, 2026Sectigo LimitedSep 24, 2026 – Nov 13, 2026Sectigo Limited issued 2 certificates for lexico.com from Sep 24, 2026, the latest valid until Dec 26, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
200020102020Jan ’26Oct ’26← last 12 months, drawn wider
Every dated fact on this lifeline (32)
Jan 19, 1998Registration: lexico.com was registered on Jan 19, 1998.Source: RDAP, fetched Nov 9, 2026
Jun 20, 2006 – Nov 9, 2013AboutUs record: An AboutUs wiki page described lexico.com from Jun 20, 2006 to Nov 9, 2013 (3 edits).Source: AboutUs wiki archive, 2006–2023
Jul 1, 2006AboutUs record: “Lexico Publishing Group, LLC is an independent, privately-held company based in Los Angeles, California, offering online reference and learning services through its destination Web sites, Dictionary.com and Thesaurus.co…”Source: AboutUs wiki archive, 2006
Jul 20, 2007 – Jun 2, 2026Registrant: Registration records for lexico.com are held from Jul 20, 2007 to Jun 2, 2026 (225 records). 3 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
Jul 20, 2007 – Jul 11, 2008Zone file: Registration records listed UltraDNS (Neustar/Vercara) nameservers (pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org…) for lexico.com from Jul 20, 2007 to Jul 11, 2008.Source: From registration records (WHOIS / RDAP archive, who.is)
Jul 30, 2008 – Aug 20, 2008Zone file: Registration records listed ask.com, askjeeves.com nameservers (name1.askjeeves.com, name5.ask.com) for lexico.com from Jul 30, 2008 to Aug 20, 2008.Source: From registration records (WHOIS / RDAP archive, who.is)
Jul 30, 2008Zone file: lexico.com's nameservers moved from UltraDNS (Neustar/Vercara) to ask.com, askjeeves.com between Jul 11, 2008 and Jul 30, 2008. Last seen at UltraDNS (Neustar/Vercara): Jul 11, 2008 (registration record). First seen at ask.com, askjeeves.com: Jul 30, 2008 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Sep 28, 2008 – Jul 23, 2009Registrar: Registrar CORPORATE DOMAINS, INC. (IANA 299) in the WHOIS and RDAP records held for lexico.com, from Sep 28, 2008 to Jul 23, 2009.Source: WHOIS / RDAP archive (who.is)
Sep 28, 2008Registrant: The registrant name or organization in the registration record changed; first recorded Sep 28, 2008. 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
Mar 27, 2009 – Oct 17, 2013Zone file: Registration records listed ask.com nameservers (name1.ask.com, name2.ask.com, name5.ask.com…) for lexico.com from Mar 27, 2009 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 27, 2009Zone file: lexico.com's nameservers moved from ask.com, askjeeves.com to ask.com at some point between Aug 20, 2008 and Mar 27, 2009. Last seen at ask.com, askjeeves.com: Aug 20, 2008 (registration record). First seen at ask.com: Mar 27, 2009 (registration record). AboutUs holds no nameserver records for the 7 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)
Aug 3, 2009 – Mar 25, 2011Registrar: Registrar Markmonitor.com in the WHOIS and RDAP records held for lexico.com, from Aug 3, 2009 to Mar 25, 2011.Source: WHOIS / RDAP archive (who.is)
Jul 19, 2011Registrar: Registrar MarkMonitor, Inc. (IANA 292) in the registration data recorded on Jul 19, 2011.Source: WHOIS / RDAP archive (who.is)
Aug 12, 2011 – Nov 2, 2013Registrar: Registrar Markmonitor.com in the WHOIS and RDAP records held for lexico.com, from Aug 12, 2011 to Nov 2, 2013.Source: WHOIS / RDAP archive (who.is)
Oct 18, 2013 – Apr 1, 2016Zone file: ask.com (name1.ask.com, name2.ask.com, name5.ask.com…) were the nameservers listed for lexico.com at every ICANN zone-file snapshot AboutUs holds from Oct 18, 2013 to Apr 1, 2016 (snapshots exist for only part of 2013–2018).Source: ICANN zone-file snapshots, 2013–2018 (legacy archive)
May 17, 2014 – Dec 17, 2018Registrar: Registrar MarkMonitor, Inc. (IANA 292) in the WHOIS and RDAP records held for lexico.com, from May 17, 2014 to Dec 17, 2018.Source: WHOIS / RDAP archive (who.is)
May 17, 2014Registrant: The registrant name or organization in the registration record changed; first recorded May 17, 2014. 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
Apr 2, 2016 – Aug 12, 2017Zone file: Registration records listed ask.com nameservers (name1.ask.com, name2.ask.com, name5.ask.com…) for lexico.com from Apr 2, 2016 to Aug 12, 2017. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)
Sep 25, 2017 – Apr 2, 2018Zone file: Registration records listed Amazon Route 53 nameservers (ns-1111.awsdns-10.org, ns-1688.awsdns-19.co.uk, ns-314.awsdns-39.com…) for lexico.com from Sep 25, 2017 to Apr 2, 2018. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)
Sep 25, 2017Zone file: lexico.com's nameservers moved from ask.com to Amazon Route 53 between Aug 12, 2017 and Sep 25, 2017. Last seen at ask.com: Aug 12, 2017 (registration record). First seen at Amazon Route 53: Sep 25, 2017 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Apr 3, 2018Zone file: Amazon Route 53 (ns-1111.awsdns-10.org, ns-1688.awsdns-19.co.uk, ns-314.awsdns-39.com…) were the nameservers listed for lexico.com at every ICANN zone-file snapshot AboutUs holds from Apr 3, 2018 to Apr 3, 2018 (snapshots exist for only part of 2013–2018).Source: ICANN zone-file snapshots, 2013–2018 (legacy archive)
Apr 4, 2018 – Jun 2, 2026Zone file: Registration records listed Amazon Route 53 nameservers (ns-1111.awsdns-10.org, ns-1688.awsdns-19.co.uk, ns-314.awsdns-39.com…) for lexico.com from Apr 4, 2018 to Jun 2, 2026. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)
Mar 24, 2019 – Feb 25, 2024Registrar: Registrar CSC CORPORATE DOMAINS, INC. (IANA 299) in the WHOIS and RDAP records held for lexico.com, from Mar 24, 2019 to Feb 25, 2024.Source: WHOIS / RDAP archive (who.is)
May 17, 2024 – Jun 8, 2024Registrar: Registrar GoDaddy.com, LLC (IANA 146) in the WHOIS and RDAP records held for lexico.com, from May 17, 2024 to Jun 8, 2024.Source: WHOIS / RDAP archive (who.is)
Aug 6, 2024 – Nov 6, 2026Registrar: Registrar 101domain GRS Limited (IANA 1011) in the registration data recorded, first on Aug 6, 2024 and most recently on Nov 6, 2026.Source: RDAP, fetched Nov 9, 2026
Aug 6, 2024Registrant: The registrant name or organization in the registration record changed; first recorded Aug 6, 2024. 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
Jun 18, 2026 – Nov 9, 2026AboutUs record: Authority and Safety last refreshed Nov 9, 2026.Source: AboutUs checks
Sep 8, 2026 – Nov 13, 2026Zone file: First seen in the .com zone file records AboutUs holds on Sep 8, 2026; latest sighting Nov 13, 2026. Nameservers on Nov 13, 2026: gabe.ns.cloudflare.com, gail.ns.cloudflare.com.Source: ICANN CZDS zone file, snapshot Nov 13, 2026
Sep 17, 2026 – Nov 13, 2026Certificate: Google Trust Services issued 8 certificates for lexico.com from Sep 17, 2026, the latest valid until Dec 21, 2026. Seen in use on Oct 3, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Oct 3, 2026
Sep 23, 2026Zone file: The nameservers listed for lexico.com changed in the zone file on Sep 23, 2026.Source: ICANN CZDS zone file, snapshot Nov 13, 2026
Sep 24, 2026 – Nov 13, 2026Certificate: Sectigo Limited issued 2 certificates for lexico.com from Sep 24, 2026, the latest valid until Dec 26, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Nov 13, 2026Zone file: lexico.com's nameservers moved from Amazon Route 53 to Cloudflare at some point between Jun 2, 2026 and Nov 13, 2026. Last seen at Amazon Route 53: Jun 2, 2026 (registration record). First seen at Cloudflare: Nov 13, 2026 (ICANN zone file (CZDS)). AboutUs holds no nameserver records for the 5 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 → ICANN zone file (CZDS))
Registered 1998 · its address redirects to www.dictionary.com, which answered over HTTPS
Lexico.com - provides a dictionary, thesaurus, and encyclopedia search
Lexico.com is an online reference and learning services company that operates Dictionary.com, Thesaurus.com, and other reference websites providing dictionary, thesaurus, and encyclopedia search tools to promote lifelong learning.
Authority 59/100— ahead of 59% of the August 2026 scored sampleClear
Why this authority score
59 is a percentile: higher than 59% of sites we score.
How it's calculated
Prominence (Tranco rank #51,354)+6
Verified continuity: 28.8 years (RDAP registration)+11
Security & email hygiene+3
Calibration adjustment (published map)+11
Model score: 31/99 — what these reason lines add up to.
Published Authority (percentile): 59/100 — 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 lexico.com said about itself, 2006
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
2006
Lexico Publishing Group, LLC is an independent, privately-held company based in Los Angeles, California, offering online reference and learning services through its destination Web sites, Dictionary.com and Thesaurus.com; the Word of the Day Internet mailing list; and the freely available CleverKeys software.
Site history
Dated record — historical facts always carry their date; self-description below is the 2013 record.
1998
Domain registered (Jan 19, 1998).
2006
First tracked by AboutUs (Jun 20, 2006); profile edited 3 times through 2013.
2013
Self-description at the time:
“Lexico.com - provides a dictionary, thesaurus, and encyclopedia search”