AboutUs hasn't finished checking this site yet — the live checks below are current; more details appear as we crawl it.
comcast.net
Verifying against the live site and live WHOIS/DNS…
Common questions
Is comcast.net legit or a scam?
comcast.net was registered Sep 25, 1997 (29 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 comcast.net?
Nobody has completed AboutUs's owner verification for comcast.net. That's true of most sites here — it isn't itself a warning sign.
When was comcast.net registered?
comcast.net's registration dates to Sep 25, 1997 (29 years old), per public registration records. CSC Corporate Domains, Inc. is the registrar on record today.
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 Sep 25, 1997 — 29 years old.
latest result
Registrar on record: CSC Corporate Domains, Inc. — unchanged since AboutUs began tracking (Jul 24, 2026).
Authority 91/100— ahead of 91% of the August 2026 scored sampleClear
Why this authority score
91 is a percentile: higher than 91% of sites we score.
How it's calculated
Prominence (Tranco rank #224)+10
Verified continuity: 29.1 years (RDAP registration)+11
Security & email hygiene+5
Calibration adjustment (published map)+20
Model score: 46/99 — what these reason lines add up to.
Published Authority (percentile): 91/100 — this site's rank against the August 2026 scored sample. Public Authority is capped at 99.
Safety evidence
Retained threat-feed result (recorded about 12 days ago); name-similarity check available (recorded about 5 days ago); 3/3 transport and email checks available (oldest recorded about 5 days ago). This is evidence coverage, not a probability that a website is safe.
No caution flags in the available scoring observations; this is not a complete safety assessment
What comcast.net said about itself, 2006–2011
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
2006
This page requires the Flash 7 plugin. If you are unable to install Flash 7 Player or are using a screen reader, please visit our Lite home page.
2011
Comcast.net is the website for Comcast and Xfinity customers to check email and watch TV online.rewritten
Site history
Dated record — historical facts always carry their date; self-description below is the 2015 record.
1997
Domain registered (Sep 25, 1997).
2006
First tracked by AboutUs (Jun 19, 2006); profile edited 21 times through 2015.
2015
Self-description at the time:
“Comcast.net lets you watch online tv shows, HD videos & tv listings”
2026
Checked today — The site's bot protection blocked AboutUs's HTTPS check; all 1 of the other checks passed (Nov 13, 2026).
✓ domain continuity 29 years registered– live check blocked the site's bot protection turned the check away Nov 13, 2026
Lifeline · comcast.net over time
Checked in the last 30 daysOlder, dated recordFrom registration records
Registered 29 years ago · on AboutUs since 2006 · one registrar since Mar 3, 2009 · 3 registrant changes since 2007 · last checked Nov 8, 2026.
Registration
RegisteredSep 25, 1997comcast.net was registered on Sep 25, 1997.Source: RDAP, fetched Oct 25, 2026
AboutUs record
AboutUs wiki pageAboutUs wiki pageJun 19, 2006 – Jun 3, 2015An AboutUs wiki page described comcast.net from Jun 19, 2006 to Jun 3, 2015 (21 edits).Source: AboutUs wiki archive, 2006–2023Said about itself in 2006
Registrar
CSC Corporate Domains, Inc.CSC Corporate Domains, Inc.Mar 3, 2009 – Nov 12, 2026 (latest)Registrar CSC Corporate Domains, Inc. (IANA 299) in the registration data recorded, first on Mar 3, 2009 and most recently on Nov 12, 2026.Source: RDAP, fetched Oct 25, 2026
Registrant
Registrant recordsMay 11, 2007 – Jun 24, 2026Registration records for comcast.net are held from May 11, 2007 to Jun 24, 2026 (2,988 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
Zone file
Nameservers: comcast.netNameservers: comcast.netMay 11, 2007 – Oct 17, 2013Registration records listed comcast.net nameservers (adns.cmc.comcast.net, dns01.jdc01.pa.comcast.net, dns02.jdc01.pa.comcast.net) for comcast.net from May 11, 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
COMODO CA LimitedCOMODO CA LimitedNov 25, 2025 – Nov 13, 2026COMODO CA Limited issued 5 certificates for comcast.net from Nov 25, 2025, the latest valid until Nov 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 (17)
Sep 25, 1997Registration: comcast.net was registered on Sep 25, 1997.Source: RDAP, fetched Oct 25, 2026
Jun 19, 2006 – Jun 3, 2015AboutUs record: An AboutUs wiki page described comcast.net from Jun 19, 2006 to Jun 3, 2015 (21 edits).Source: AboutUs wiki archive, 2006–2023
Jul 1, 2006AboutUs record: “This page requires the Flash 7 plugin. If you are unable to install Flash 7 Player or are using a screen reader, please visit our Lite home page.”Source: AboutUs wiki archive, 2006
May 11, 2007 – Jun 24, 2026Registrant: Registration records for comcast.net are held from May 11, 2007 to Jun 24, 2026 (2,988 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
May 11, 2007 – Oct 17, 2013Zone file: Registration records listed comcast.net nameservers (adns.cmc.comcast.net, dns01.jdc01.pa.comcast.net, dns02.jdc01.pa.comcast.net) for comcast.net from May 11, 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)
Jul 1, 2006
“This page requires the Flash 7 plugin. If you are unable to install Flash 7 Player or are using a screen reader, please visit our Lite home page.”
Source: AboutUs wiki archive, 2006
Said about itself in 2011Jul 1, 2011“Comcast.net is the website for Comcast and Xfinity customers to check email and watch TV online.”Source: AboutUs wiki archive, 2011
Current AboutUs recordJun 18, 2026 – Nov 8, 2026 (latest)Authority and Safety last refreshed Nov 8, 2026.Source: AboutUs checks
Registrant changeMay 31, 2008The registrant name or organization in the registration record changed; first recorded May 31, 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
Registrant changeMar 3, 2009The registrant name or organization in the registration record changed; first recorded Mar 3, 2009. 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 changeMay 19, 2016The registrant name or organization in the registration record changed; first recorded May 19, 2016. 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
Nameservers: comcast.netOct 18, 2013 – Apr 3, 2018comcast.net (dns101.comcast.net, dns102.comcast.net, dns103.comcast.net…) were the nameservers listed for comcast.net 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: comcast.netNameservers: comcast.netApr 4, 2018 – Jun 24, 2026Registration records listed comcast.net nameservers (adns.cmc.comcast.net, dns01.jdc01.pa.comcast.net, dns02.jdc01.pa.comcast.net) for comcast.net from Apr 4, 2018 to Jun 24, 2026. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)
Sectigo LimitedFeb 22, 2026 – Nov 13, 2026 (latest)Sectigo Limited issued 1,135 certificates for comcast.net from Feb 22, 2026, the latest valid until May 16, 2027. Seen in use on Oct 25, 2026.Source: Certificate Transparency logs (dns.pizza's own certificate-log reader + AboutUs's own certificate-log reader); TLS check, Oct 25, 2026
Let's EncryptOct 24, 2026 – Nov 13, 2026Let's Encrypt issued 11 certificates for comcast.net from Oct 24, 2026, the latest valid until Jan 28, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
AmazonOct 29, 2026 – Nov 13, 2026Amazon issued 4 certificates for comcast.net from Oct 29, 2026, the latest valid until May 14, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
May 31, 2008
Registrant: The registrant name or organization in the registration record changed; first recorded May 31, 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 3, 2009 – Nov 12, 2026Registrar: Registrar CSC Corporate Domains, Inc. (IANA 299) in the registration data recorded, first on Mar 3, 2009 and most recently on Nov 12, 2026.Source: RDAP, fetched Oct 25, 2026
Mar 3, 2009Registrant: The registrant name or organization in the registration record changed; first recorded Mar 3, 2009. 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
Jul 1, 2011AboutUs record: “Comcast.net is the website for Comcast and Xfinity customers to check email and watch TV online.”Source: AboutUs wiki archive, 2011
Oct 18, 2013 – Apr 3, 2018Zone file: comcast.net (dns101.comcast.net, dns102.comcast.net, dns103.comcast.net…) were the nameservers listed for comcast.net 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)
May 19, 2016Registrant: The registrant name or organization in the registration record changed; first recorded May 19, 2016. 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 4, 2018 – Jun 24, 2026Zone file: Registration records listed comcast.net nameservers (adns.cmc.comcast.net, dns01.jdc01.pa.comcast.net, dns02.jdc01.pa.comcast.net) for comcast.net from Apr 4, 2018 to Jun 24, 2026. Days a zone file covers are shown from the zone file instead.Source: From registration records (WHOIS / RDAP archive, who.is)
Nov 25, 2025 – Nov 13, 2026Certificate: COMODO CA Limited issued 5 certificates for comcast.net from Nov 25, 2025, the latest valid until Nov 26, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Feb 22, 2026 – Nov 13, 2026Certificate: Sectigo Limited issued 1,135 certificates for comcast.net from Feb 22, 2026, the latest valid until May 16, 2027. Seen in use on Oct 25, 2026.Source: Certificate Transparency logs (dns.pizza's own certificate-log reader + AboutUs's own certificate-log reader); TLS check, Oct 25, 2026
Jun 18, 2026 – Nov 8, 2026AboutUs record: Authority and Safety last refreshed Nov 8, 2026.Source: AboutUs checks
Oct 24, 2026 – Nov 13, 2026Certificate: Let's Encrypt issued 11 certificates for comcast.net from Oct 24, 2026, the latest valid until Jan 28, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Oct 29, 2026 – Nov 13, 2026Certificate: Amazon issued 4 certificates for comcast.net from Oct 29, 2026, the latest valid until May 14, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)