École Normale Supérieure de Lyon · Domain Security

Ens Lyon Domain Security

Domain security

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

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Transport & Host Security

www.ens-lyon.fr

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Nov 22 00:00:17 2026 GMT

api.archives-ouvertes.fr

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Dec 18 12:16:58 2026 GMT

Domain (DNS/Email) Security

ens-lyon.fr

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

archives-ouvertes.fr

DNSSEC: no · SPF: yes · DMARC: yes (p=none) · 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.ens-lyon.fr
  https: true
  tls_version: TLSv1.3
  cert_expires: Nov 22 00:00:17 2026 GMT
  hsts: false
- host: api.archives-ouvertes.fr
  https: true
  tls_version: TLSv1.3
  cert_expires: Dec 18 12:16:58 2026 GMT
  hsts: true
  hsts_max_age: 63072000
domains:
- domain: ens-lyon.fr
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: archives-ouvertes.fr
  dnssec: false
  caa:
  - 0 issuewild "harica.gr"
  - 0 iodef "mailto:ccsd-tech@ccsd.cnrs.fr"
  - 0 issue "harica.gr"
  spf: true
  dmarc: true
  dmarc_policy: none