Yale University · Domain Security

Yale Domain Security

Domain security

Domain security posture for Yale University, probed live across 3 host(s) and 1 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.2); 2 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=quarantine).

EducationHigher EducationUniversityResearchLibraryCultural HeritageLinked DataUnited States

Transport & Host Security

www.yale.edu
HTTPS: yes · TLS: TLSv1.2 · HSTS: yes · cert expires: Jul 25 04:21:54 2026 GMT
developers.yale.edu
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 26 14:15:33 2026 GMT
gw.its.yale.edu
HTTPS: yes · TLS: TLSv1.2 · HSTS: no · cert expires: Nov 26 10:15:53 2026 GMT

Domain (DNS/Email) Security

yale.edu
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.yale.edu
  https: true
  tls_version: TLSv1.2
  cert_expires: Jul 25 04:21:54 2026 GMT
  hsts: true
  hsts_max_age: 31622400
- host: developers.yale.edu
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 26 14:15:33 2026 GMT
  hsts: true
  hsts_max_age: 31622400
- host: gw.its.yale.edu
  https: true
  tls_version: TLSv1.2
  cert_expires: Nov 26 10:15:53 2026 GMT
  hsts: null
domains:
- domain: yale.edu
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: quarantine