Domain Intelligence Report

weillcornell.org

Full ownership history report — $29 at AboutUsCompare
Gathering intelligence... (12/12)
DNS
WHOIS
Security
Email
DNSSEC
Threats
Deliverability
SSL/TLS
HTTP
Tech Stack
Subdomains
Archive
Outline
WHOIS
Network Solutions, LLC · registered 20 years ago · expires May 17, 2034
DNS
1 A · 1 MX · 3 NS · 1 SOA · 2 AAAA
SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 78d · 10 SANs
Email Auth
SPF ✗ · DKIM ✗ · DMARC ✓ (p=quarantine)
DNSSEC
not signed
Tech Stack
Host: Fastly, Inc. · Email: Amazon SES · nginx
HTTP
1 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✓ · Nosniff ✓
Security
C (130/195) · 1 critical · 2 high
Threats
risk: none
Deliverability
82% B (74/90 points) · 1 MX · 5 IPs · 4 issue(s)
Subdomains
1 found · 112 answered — www
Web Archive
archived, first date unknown
DNS Recordschecked 5.1d ago
Details
1 A · 1 MX · 3 NS · 1 SOA · 2 AAAA
WHOISchecked 5.1d ago
Details
Network Solutions, LLC
Registered 20 years ago
Expires May 17, 2034
Then vs Nownew
Details
Same organisation as in 2013.
“WeillCornell.org has information on physicians at Weill Cornell Medical College” — AboutUs, 2013
Now: Health · maintained
AI-judged Sep 30, 2026: likely, not verified
SSL/TLSchecked 5.1d ago
Details
Valid certificate
Issuer: Let's Encrypt
Protocol: TLSv1.3
Expires in 78 days
10 SAN(s)
Securitychecked 5.1d ago
Details
C
130/195
1 critical2 high1 medium
Weakest: Basic Security, Record Security
Email Authchecked 5.1d ago
Details
SPFDKIM?DMARC
Policy: quarantine
DNSSECchecked 5.1d ago
Details
Not DNSSEC-signed
Tech Stackchecked 5.1d ago
Details
Fastly, Inc.nginxEmail: Amazon SES
HTTP / Headerschecked 5.1d ago
Details
1 redirect(s) → 200
HSTSCSPX-FrameNosniff
Threatschecked 5.1d ago
Details
Risk: none · score 0
Zone census
Subdomainschecked 5.1d ago
Details
1 found · 112 answered
Click a subdomain for its full report
Web Archivechecked 5.1d ago
Details
First archived: unknown
Archive.org did not return the first capture date (CDX HTTP 429). Try again in a moment. Archive.org's index did not answer, so the latest date is the newest capture that loaded; a later redirect or error capture may exist.
Deliverabilitychecked 5.1d ago
Details
82%B
74/90 points · 4 issue(s)
1 MX · 5 IP(s)
Top fix: No SPF record

IPv6

Measured 2026-11-15 15:55 UTC · aaaa.bot
C

Works over IPv6, with gaps: its mail servers lack IPv6; its nameservers lack IPv6.

weillcornell.org has 2 IPv6 addresses and answers on every one we tested.

  • ✓ weillcornell.org answers (2 of 2 addresses)
  • ✓ www.weillcornell.org answers (2 of 2)
  • ✗ Mail: 0 of 1 servers have IPv6
  • ✗ Nameservers: none have IPv6
Details: published addresses and what answered

Loads over IPv6 with a valid certificate: HTTP 200.

weillcornell.orgPublished2620:12a:8001::42620:12a:8000::4Answers when we connect✓ answers on 443✓ answers on 443
www.weillcornell.orgPublished2620:12a:8001::42620:12a:8000::4Answers when we connect✓ answers on 443✓ answers on 443
MailPublishedinbound-smtp.us-east-1.amazonaws.comAnswers when we connect✗ no IPv6
NameserversPublishedlex-iblxext1.med.cornell.eduyork-iblxext1.med.cornell.eduazr-iblxext1.med.cornell.eduAnswers when we connect✗ no IPv6✗ no IPv6✗ no IPv6
First measured with IPv6 on 2026-11-04Changes are recorded from here on, each with its date.

See where it lives on the IPv4 map →

Lineage

Our records: Sep 16, 2016 → Nov 15, 2026

Oldest registry snapshot we hold: 2016 · 8 renewals on record · DNS at cornell.edu · no nameserver change seen. These dates are when our records begin, not when the domain was registered.

Registrar

  • Network Solutions, LLClast seen Jul 2024
    Apr 2017 – Jul 2024

DNS provider

  • cornell.eduNOW
    Seen from Sep 2016

IPv6

  • IPv6published, and answering
    First measured Nov 2026
What changed (latest 8 of 9)
  1. IPv6 first measured: published, and answering on Nov 4, 2026weillcornell.org has 2 IPv6 addresses. Grade C. Measured by aaaa.bot, 2026-11-04 17:34 UTC. No earlier IPv6 record is held, so this is not a "gained" date.
  2. Renewed +1 year between Nov 11, 2023 and Jul 8, 2024Expiry moved from 2033-05-17 to 2034-05-17, at Network Solutions, LLC.
  3. Renewed +1 year between May 16, 2023 and Jun 28, 2023Expiry moved from 2032-05-17 to 2033-05-17, at Network Solutions, LLC.
  4. Renewed +1 year between Nov 2, 2021 and May 18, 2022Expiry moved from 2031-05-17 to 2032-05-17, at Network Solutions, LLC.
  5. Renewed +1 year between Nov 9, 2020 and Nov 2, 2021Expiry moved from 2030-05-17 to 2031-05-17, at Network Solutions, LLC.
  6. Renewed +1 year between May 9, 2020 and Jun 18, 2020Expiry moved from 2029-05-17 to 2030-05-17, at Network Solutions, LLC.
  7. Renewed +1 year between Feb 24, 2019 and Nov 18, 2019Expiry moved from 2028-05-17 to 2029-05-17, at Network Solutions, LLC.
  8. Renewed +1 year between Apr 30, 2018 and Aug 2, 2018Expiry moved from 2027-05-17 to 2028-05-17, at Network Solutions, LLC.

Solid bar: the stretch we observed that name. Dot: a single sighting. Dotted line: no record between sightings of the same name. Nothing is drawn between different names.

Registrar and renewals: 57 WHOIS/RDAP snapshots, 2016-09-16 to 2026-05-15 (ledger built 2026-09-27). Every renewal

DNS provider, registry zone files: 101 .org zone-file snapshots held, 2026-08-05 to 2026-11-15.

DNS provider, WHOIS snapshots: 54 WHOIS/RDAP snapshots that listed nameservers, 2016-09-16 to 2026-06-30 (who.is archive). Both sources feed one row per provider (hover a bar to see which); a change is placed between the nearest observations on either side, and where the two sources disagree, both are listed under What changed.

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