Verifying against the live site and live WHOIS/DNS…
Common questions
Is esf.edu 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 esf.edu?
Nobody has completed AboutUs's owner verification for esf.edu. That's true of most sites here — it isn't itself a warning sign.
Correct a description, link or other detail. Submissions are reviewed before publication.
Lifeline · esf.edu over time
Checked in the last 30 daysOlder, dated recordFrom registration records
On AboutUs since 2006 · one registrar since Oct 25, 2024 · no registrant change on record since 2009 · last checked Nov 10, 2026.
Registration
No registration date on file yet. AboutUs reads it from RDAP when the site is checked.
AboutUs record
AboutUs wiki pageAboutUs wiki pageJun 20, 2006 – Nov 6, 2013An AboutUs wiki page described esf.edu from Jun 20, 2006 to Nov 6, 2013 (5 edits).Source: AboutUs wiki archive, 2006–2023Said about itself in 2006Jul 1, 2006“State University of New York College of Environmental Science & Forestry”Source: AboutUs wiki archive, 2006Current AboutUs record
Registrar
EducauseOct 25, 2024 – Mar 9, 2025 (latest)Registrar Educause (IANA 365) in the WHOIS and RDAP records held for esf.edu, from Oct 25, 2024 to Mar 9, 2025.Source: WHOIS / RDAP archive (who.is)
Registrant
Registrant recordsFeb 13, 2009 – Jun 16, 2026Registration records for esf.edu are held from Feb 13, 2009 to Jun 16, 2026 (106 records). None shows a change of registrant. 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
No registrant changes recorded, 2009–2026
Zone file
No nameserver records held, Jun 2009 – Aug 2010Nameservers: esf.eduFeb 13, 2009 – Jun 2, 2009Registration records listed esf.edu nameservers (dns.esf.edu, marcy.esf.edu) for esf.edu from Feb 13, 2009 to Jun 2, 2009.Source: From registration records (WHOIS / RDAP archive, who.is)
Certificate
DigiCert IncDigiCert IncJul 16, 2025 – Nov 13, 2026DigiCert Inc issued 3 certificates for esf.edu from Jul 16, 2025, the latest valid until Feb 19, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)Let's Encrypt
2010201520202025Apr ’26← last 12 months, drawn wider
Every dated fact on this lifeline (20)
Jun 20, 2006 – Nov 6, 2013AboutUs record: An AboutUs wiki page described esf.edu from Jun 20, 2006 to Nov 6, 2013 (5 edits).Source: AboutUs wiki archive, 2006–2023
Jul 1, 2006AboutUs record: “State University of New York College of Environmental Science & Forestry”Source: AboutUs wiki archive, 2006
Feb 13, 2009 – Jun 16, 2026Registrant: Registration records for esf.edu are held from Feb 13, 2009 to Jun 16, 2026 (106 records). None shows a change of registrant. 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
Feb 13, 2009 – Jun 2, 2009Zone file: Registration records listed esf.edu nameservers (dns.esf.edu, marcy.esf.edu) for esf.edu from Feb 13, 2009 to Jun 2, 2009.Source: From registration records (WHOIS / RDAP archive, who.is)
Aug 12, 2010 – Mar 14, 2017Zone file: Registration records listed esf.edu, twtelecom.net nameservers (dns.esf.edu, marcy.esf.edu, ns1.twtelecom.net…) for esf.edu from Aug 12, 2010 to Mar 14, 2017.Source: From registration records (WHOIS / RDAP archive, who.is)
Jul 3, 2026 – Nov 10, 2026 (latest)
Authority and Safety last refreshed Nov 10, 2026.
Source: AboutUs checks
Nameservers: esf.edu, twtelecom.net
Nameservers: esf.edu, twtelecom.netAug 12, 2010 – Mar 14, 2017Registration records listed esf.edu, twtelecom.net nameservers (dns.esf.edu, marcy.esf.edu, ns1.twtelecom.net…) for esf.edu from Aug 12, 2010 to Mar 14, 2017.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to esf.edu, twtelecom.netAug 12, 2010esf.edu's nameservers moved from esf.edu to esf.edu, twtelecom.net at some point between Jun 2, 2009 and Aug 12, 2010. Last seen at esf.edu: Jun 2, 2009 (registration record). First seen at esf.edu, twtelecom.net: Aug 12, 2010 (registration record). AboutUs holds no nameserver records for the 14 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: esf.edu, syr.edu, twtelecom.netApr 27, 2017Registration records listed esf.edu, syr.edu, twtelecom.net nameservers (dns.esf.edu, marcy.esf.edu, ns1.syr.edu…) for esf.edu from Apr 27, 2017 to Apr 27, 2017.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to esf.edu, syr.edu, twtelecom.netApr 27, 2017esf.edu's nameservers moved from esf.edu, twtelecom.net to esf.edu, syr.edu, twtelecom.net between Mar 14, 2017 and Apr 27, 2017. Last seen at esf.edu, twtelecom.net: Mar 14, 2017 (registration record). First seen at esf.edu, syr.edu, twtelecom.net: Apr 27, 2017 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Nameservers: esf.edu, level3.net, syr.eduNameservers: esf.edu, level3.net, syr.eduJul 1, 2017 – Apr 6, 2024Registration records listed esf.edu, level3.net, syr.edu nameservers (dns.esf.edu, marcy.esf.edu, ns1.syr.edu…) for esf.edu from Jul 1, 2017 to Apr 6, 2024.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to esf.edu, level3.net, syr.eduJul 1, 2017esf.edu's nameservers moved from esf.edu, syr.edu, twtelecom.net to esf.edu, level3.net, syr.edu at some point between Apr 27, 2017 and Jul 1, 2017. Last seen at esf.edu, syr.edu, twtelecom.net: Apr 27, 2017 (registration record). First seen at esf.edu, level3.net, syr.edu: Jul 1, 2017 (registration record). AboutUs holds no nameserver records for the 2 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: CloudflareNameservers: CloudflareJun 26, 2024 – Jun 16, 2026Registration records listed Cloudflare nameservers (johnathan.ns.cloudflare.com, mia.ns.cloudflare.com) for esf.edu from Jun 26, 2024 to Jun 16, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to CloudflareJun 26, 2024esf.edu's nameservers moved from esf.edu, level3.net, syr.edu to Cloudflare at some point between Apr 6, 2024 and Jun 26, 2024. Last seen at esf.edu, level3.net, syr.edu: Apr 6, 2024 (registration record). First seen at Cloudflare: Jun 26, 2024 (registration record). AboutUs holds no nameserver records for the 3 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)
Mar 23, 2026 – Nov 13, 2026
Let's Encrypt issued 45 certificates for esf.edu from Mar 23, 2026, the latest valid until Feb 6, 2027.
Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
AmazonApr 2, 2026 – Nov 13, 2026Amazon issued 2 certificates for esf.edu from Apr 2, 2026, the latest valid until Mar 18, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Google Trust ServicesApr 7, 2026 – Nov 13, 2026Google Trust Services issued 20 certificates for esf.edu from Apr 7, 2026, the latest valid until Jan 31, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
SSL CorporationJun 10, 2026 – Nov 13, 2026SSL Corporation issued 3 certificates for esf.edu from Jun 10, 2026, the latest valid until Jan 13, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Certificate from Google Trust ServicesSep 18, 2026 – Sep 26, 2026 (latest)Google Trust Services certificate valid Sep 18, 2026 to Dec 17, 2026, as seen on Sep 26, 2026.Source: TLS check, Sep 26, 2026
Aug 12, 2010
Zone file: esf.edu's nameservers moved from esf.edu to esf.edu, twtelecom.net at some point between Jun 2, 2009 and Aug 12, 2010. Last seen at esf.edu: Jun 2, 2009 (registration record). First seen at esf.edu, twtelecom.net: Aug 12, 2010 (registration record). AboutUs holds no nameserver records for the 14 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 27, 2017Zone file: Registration records listed esf.edu, syr.edu, twtelecom.net nameservers (dns.esf.edu, marcy.esf.edu, ns1.syr.edu…) for esf.edu from Apr 27, 2017 to Apr 27, 2017.Source: From registration records (WHOIS / RDAP archive, who.is)
Apr 27, 2017Zone file: esf.edu's nameservers moved from esf.edu, twtelecom.net to esf.edu, syr.edu, twtelecom.net between Mar 14, 2017 and Apr 27, 2017. Last seen at esf.edu, twtelecom.net: Mar 14, 2017 (registration record). First seen at esf.edu, syr.edu, twtelecom.net: Apr 27, 2017 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Jul 1, 2017 – Apr 6, 2024Zone file: Registration records listed esf.edu, level3.net, syr.edu nameservers (dns.esf.edu, marcy.esf.edu, ns1.syr.edu…) for esf.edu from Jul 1, 2017 to Apr 6, 2024.Source: From registration records (WHOIS / RDAP archive, who.is)
Jul 1, 2017Zone file: esf.edu's nameservers moved from esf.edu, syr.edu, twtelecom.net to esf.edu, level3.net, syr.edu at some point between Apr 27, 2017 and Jul 1, 2017. Last seen at esf.edu, syr.edu, twtelecom.net: Apr 27, 2017 (registration record). First seen at esf.edu, level3.net, syr.edu: Jul 1, 2017 (registration record). AboutUs holds no nameserver records for the 2 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)
Jun 26, 2024 – Jun 16, 2026Zone file: Registration records listed Cloudflare nameservers (johnathan.ns.cloudflare.com, mia.ns.cloudflare.com) for esf.edu from Jun 26, 2024 to Jun 16, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
Jun 26, 2024Zone file: esf.edu's nameservers moved from esf.edu, level3.net, syr.edu to Cloudflare at some point between Apr 6, 2024 and Jun 26, 2024. Last seen at esf.edu, level3.net, syr.edu: Apr 6, 2024 (registration record). First seen at Cloudflare: Jun 26, 2024 (registration record). AboutUs holds no nameserver records for the 3 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 25, 2024 – Mar 9, 2025Registrar: Registrar Educause (IANA 365) in the WHOIS and RDAP records held for esf.edu, from Oct 25, 2024 to Mar 9, 2025.Source: WHOIS / RDAP archive (who.is)
Jul 16, 2025 – Nov 13, 2026Certificate: DigiCert Inc issued 3 certificates for esf.edu from Jul 16, 2025, the latest valid until Feb 19, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Mar 23, 2026 – Nov 13, 2026Certificate: Let's Encrypt issued 45 certificates for esf.edu from Mar 23, 2026, the latest valid until Feb 6, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Apr 2, 2026 – Nov 13, 2026Certificate: Amazon issued 2 certificates for esf.edu from Apr 2, 2026, the latest valid until Mar 18, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Apr 7, 2026 – Nov 13, 2026Certificate: Google Trust Services issued 20 certificates for esf.edu from Apr 7, 2026, the latest valid until Jan 31, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Jun 10, 2026 – Nov 13, 2026Certificate: SSL Corporation issued 3 certificates for esf.edu from Jun 10, 2026, the latest valid until Jan 13, 2027.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Jul 3, 2026 – Nov 10, 2026AboutUs record: Authority and Safety last refreshed Nov 10, 2026.Source: AboutUs checks
Sep 18, 2026 – Sep 26, 2026Certificate: Google Trust Services certificate valid Sep 18, 2026 to Dec 17, 2026, as seen on Sep 26, 2026.Source: TLS check, Sep 26, 2026
Site is live · HTTPS valid
ESF.edu offers programs relate to natural resources and the environment
State University of New York College of Environmental Science & Forestry
We withhold an authority number until independent evidence (global rank, link-graph presence) has accrued. The facts we do have about this site are shown below — we'd rather say “not enough signals yet” than invent a low score.
Safety evidence
No unexpired threat-feed result; name-similarity check available (recorded about 3 days ago); 3/3 transport and email checks available (oldest recorded about 3 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 esf.edu 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
State University of New York College of Environmental Science & Forestry
Site history
Dated record — historical facts always carry their date; self-description below is the 2013 record.
2006
First tracked by AboutUs (Jun 20, 2006); profile edited 5 times through 2013.
2013
Self-description at the time:
“ESF.edu offers programs relate to natural resources and the environment”