Leiden University · Domain Security

Leiden Domain Security

Domain security

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

EducationHigher EducationUniversityNetherlandsLibraryOpen AccessOAI-PMHResearch

Transport & Host Security

www.universiteitleiden.nl

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 18 15:20:10 2026 GMT

scholarlypublications.universiteitleiden.nl

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Nov 19 08:58:00 2026 GMT

Domain (DNS/Email) Security

universiteitleiden.nl

DNSSEC: yes · SPF: yes · DMARC: yes (p=quarantine) · CAA: none

Source

Domain Security

generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.universiteitleiden.nl
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 18 15:20:10 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: scholarlypublications.universiteitleiden.nl
  https: true
  tls_version: TLSv1.3
  cert_expires: Nov 19 08:58:00 2026 GMT
  hsts: false
domains:
- domain: universiteitleiden.nl
  dnssec: true
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: quarantine