Yonsei University · Domain Security

Yonsei Domain Security

Domain security

Domain security posture for Yonsei University, probed live across 3 host(s) and 2 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 1 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=none).

EducationHigher EducationUniversityResearchLibraryRepositorySouth KoreaSeoul

Transport & Host Security

www.yonsei.ac.kr
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 20 23:59:59 2026 GMT
yonsei.elsevierpure.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 16 15:59:11 2026 GMT
ir.ymlib.yonsei.ac.kr
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Nov 4 23:59:59 2026 GMT

Domain (DNS/Email) Security

yonsei.ac.kr
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: none
elsevierpure.com
DNSSEC: no · SPF: no · DMARC: no · 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.yonsei.ac.kr
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 20 23:59:59 2026 GMT
  hsts: false
- host: yonsei.elsevierpure.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 16 15:59:11 2026 GMT
  hsts: true
  hsts_max_age: 2592000
- host: ir.ymlib.yonsei.ac.kr
  https: true
  tls_version: TLSv1.3
  cert_expires: Nov  4 23:59:59 2026 GMT
  hsts: false
domains:
- domain: yonsei.ac.kr
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none
- domain: elsevierpure.com
  dnssec: false
  caa: []
  spf: false
  dmarc: false