University of Groningen · Domain Security

University Of Groningen Domain Security

Domain security

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

EducationHigher EducationUniversityNetherlandsEuropeResearchResearch DataCourse CatalogIdentity FederationOAI-PMHLibraryMetadataOpen Data

Transport & Host Security

www.rug.nl

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Dec 1 08:48:18 2026 GMT

pure.rug.nl

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 27 00:12:47 2026 GMT

dataverse.nl

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Nov 26 12:19:21 2026 GMT

Domain (DNS/Email) Security

rug.nl

DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: none

dataverse.nl

DNSSEC: yes · SPF: yes · DMARC: yes (p=quarantine) · CAA: yes

Source

Domain Security

generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.rug.nl
  https: true
  tls_version: TLSv1.3
  cert_expires: Dec  1 08:48:18 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: pure.rug.nl
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 27 00:12:47 2026 GMT
  hsts: null
- host: dataverse.nl
  https: true
  tls_version: TLSv1.3
  cert_expires: Nov 26 12:19:21 2026 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: rug.nl
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none
- domain: dataverse.nl
  dnssec: true
  caa:
  - 0 issuewild "harica.gr"
  - 0 issue "letsencrypt.org"
  - 0 issue "harica.gr"
  - 0 iodef "mailto:knawnet@knaw.nl"
  spf: true
  dmarc: true
  dmarc_policy: quarantine

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