Verifying against the live site and live WHOIS/DNS…
Common questions
Is stephenwolfram.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 stephenwolfram.com?
Nobody has completed AboutUs's owner verification for stephenwolfram.com. That's true of most sites here — it isn't itself a warning sign.
Checked in the last 30 daysOlder, dated recordFrom registration records
Registered 28 years ago · on AboutUs since 2006 · 1 registrar change since Aug 10, 2016 · 1 ownership change since 2008 · last checked Oct 6, 2026.
Registration
RegisteredOct 5, 1998stephenwolfram.com was registered on Oct 5, 1998.Source: RDAP, fetched Aug 21, 2026
AboutUs record
AboutUs wiki pageAboutUs wiki pageJun 21, 2006 – Nov 9, 2013An AboutUs wiki page described stephenwolfram.com from Jun 21, 2006 to Nov 9, 2013 (3 edits).Source: AboutUs wiki archive, 2006–2023
Registrar
GoDaddy.com, LLCGoDaddy.com, LLCAug 10, 2016 – May 21, 2024Registrar GoDaddy.com, LLC (IANA 146) in the WHOIS and RDAP records held for stephenwolfram.com, from Aug 10, 2016 to May 21, 2024.Source: WHOIS / RDAP archive (who.is)GoDaddy Corporate Domains, LLC
Ownership
Ownership recordsNov 17, 2008 – Apr 24, 2026Registration records for stephenwolfram.com are held from Nov 17, 2008 to Apr 24, 2026 (84 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: wolfram.comNameservers: wolfram.comNov 17, 2008 – Oct 17, 2013Registration records listed wolfram.com nameservers (wri-dns1.wolfram.com) for stephenwolfram.com from Nov 17, 2008 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 EncryptApr 22, 2026 – Oct 26, 2026 (latest)Let's Encrypt issued 6 certificates for stephenwolfram.com from Apr 22, 2026, the latest valid until Jan 24, 2027. Seen in use on Oct 6, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Oct 6, 2026
200020102020Jan ’26Oct ’26← last 12 months, drawn wider
Every dated fact on this lifeline (13)
Oct 5, 1998Registration: stephenwolfram.com was registered on Oct 5, 1998.Source: RDAP, fetched Aug 21, 2026
Jun 21, 2006 – Nov 9, 2013AboutUs record: An AboutUs wiki page described stephenwolfram.com from Jun 21, 2006 to Nov 9, 2013 (3 edits).Source: AboutUs wiki archive, 2006–2023
Jul 1, 2006AboutUs record: “Stephen Wolfram is a scientist, author, and business leader. He is the creator of Mathematica, the author of A New Kind of Science, and the founder and CEO of Wolfram Research. His career has been characterized by a seq…”Source: AboutUs wiki archive, 2006
Nov 17, 2008 – Apr 24, 2026Ownership: Registration records for stephenwolfram.com are held from Nov 17, 2008 to Apr 24, 2026 (84 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
Nov 17, 2008 – Oct 17, 2013Zone file: Registration records listed wolfram.com nameservers (wri-dns1.wolfram.com) for stephenwolfram.com from Nov 17, 2008 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)
Said about itself in 2006
Jul 1, 2006
“Stephen Wolfram is a scientist, author, and business leader. He is the creator of Mathematica, the author of A New Kind of Science, and the founder and CEO of Wolfram Research. His career has been characterized by a seq…”
Source: AboutUs wiki archive, 2006
Current AboutUs recordJun 22, 2026 – Aug 21, 2026 (latest)Authority and Safety last refreshed Aug 21, 2026.Source: AboutUs checks
GoDaddy Corporate Domains, LLCNov 8, 2024 – Oct 9, 2026 (latest)Registrar GoDaddy Corporate Domains, LLC (IANA 3786) in the registration data recorded, first on Nov 8, 2024 and most recently on Oct 9, 2026.Source: RDAP, fetched Aug 21, 2026
Ownership change
May 19, 2009
The registrant name or organization in the registration record changed; first recorded May 19, 2009. 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: wolfram.comOct 18, 2013 – Apr 3, 2018wolfram.com (wri-dns0.wolfram.com, wri-dns1.wolfram.com) were the nameservers listed for stephenwolfram.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).Source: ICANN zone-file snapshots, 2013–2018 (legacy archive)
Nameservers: wolfram.comNameservers: wolfram.comApr 4, 2018 – Apr 24, 2026Registration records listed wolfram.com nameservers (wri-dns1.wolfram.com) for stephenwolfram.com from Apr 4, 2018 to Apr 24, 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 25, 2026 (latest)First seen in the .com zone file records AboutUs holds on Sep 8, 2026; latest sighting Sep 25, 2026. Nameservers on Sep 25, 2026: wri-dns2.wolfram.com, wri-dns3.wolfram.com.Source: ICANN CZDS zone file, snapshot Sep 25, 2026
May 19, 2009
Ownership: The registrant name or organization in the registration record changed; first recorded May 19, 2009. Who it changed to is in the full report.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Oct 18, 2013 – Apr 3, 2018Zone file: wolfram.com (wri-dns0.wolfram.com, wri-dns1.wolfram.com) were the nameservers listed for stephenwolfram.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).Source: ICANN zone-file snapshots, 2013–2018 (legacy archive)
Aug 10, 2016 – May 21, 2024Registrar: Registrar GoDaddy.com, LLC (IANA 146) in the WHOIS and RDAP records held for stephenwolfram.com, from Aug 10, 2016 to May 21, 2024.Source: WHOIS / RDAP archive (who.is)
Apr 4, 2018 – Apr 24, 2026Zone file: Registration records listed wolfram.com nameservers (wri-dns1.wolfram.com) for stephenwolfram.com from Apr 4, 2018 to Apr 24, 2026. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)
Nov 8, 2024 – Oct 9, 2026Registrar: Registrar GoDaddy Corporate Domains, LLC (IANA 3786) in the registration data recorded, first on Nov 8, 2024 and most recently on Oct 9, 2026.Source: RDAP, fetched Aug 21, 2026
Apr 22, 2026 – Oct 26, 2026Certificate: Let's Encrypt issued 6 certificates for stephenwolfram.com from Apr 22, 2026, the latest valid until Jan 24, 2027. Seen in use on Oct 6, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Oct 6, 2026
Jun 22, 2026 – Aug 21, 2026AboutUs record: Authority and Safety last refreshed Aug 21, 2026.Source: AboutUs checks
Sep 8, 2026 – Sep 25, 2026Zone file: First seen in the .com zone file records AboutUs holds on Sep 8, 2026; latest sighting Sep 25, 2026. Nameservers on Sep 25, 2026: wri-dns2.wolfram.com, wri-dns3.wolfram.com.Source: ICANN CZDS zone file, snapshot Sep 25, 2026
All 4 safety checks passed (Oct 26, 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 Oct 5, 1998 — 28 years old.
latest result
Registrar on record: GoDaddy Corporate Domains, LLC — unchanged since AboutUs began tracking (Aug 26, 2026).
latest result
HTTPS request succeeded for stephenwolfram.com.
checked Sep 30, 2026
The live front page reads as a personal site or blog that is a personal, non-commercial site, mainly for a general audience.
Authority 72/100— ahead of 72% of the August 2026 scored sampleClear
Why this authority score
72 is a percentile: higher than 72% of sites we score.
How it's calculated
Prominence (Tranco rank #59,271)+7
Verified continuity: 28.1 years (RDAP registration)+11
Identity corroboration (capped)+4
Security & email hygiene+2
Calibration adjustment (published map)+12
Model score: 36/99 — what these reason lines add up to.
Published Authority (percentile): 72/100 — this site's rank against the August 2026 scored sample. Public Authority is capped at 99.
What stephenwolfram.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
Stephen Wolfram is a scientist, author, and business leader. He is the creator of Mathematica, the author of A New Kind of Science, and the founder and CEO of Wolfram Research. His career has been characterized by a sequence of original and significant achievements.
Site history
Dated record — historical facts always carry their date; self-description below is the 2013 record.
1998
Domain registered (Oct 5, 1998).
2006
First tracked by AboutUs (Jun 21, 2006); profile edited 3 times through 2013.
2013
Self-description at the time:
“StephenWolfram.com outlines the professional work of this inventor and scientist”
✓ domain continuity 28 years registered✓ live verified Oct 26, 2026
Safety evidence
No unexpired threat-feed result; name-similarity check available (recorded about 66 days ago); 3/3 transport and email checks available (oldest recorded about 66 days ago). This is evidence coverage, not a probability that a website is safe.