École Normale Supérieure de Paris · Domain Security

Ens Paris Domain Security

Domain security

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

EducationHigher EducationUniversityResearchOpen DataOpen AccessFrance

Transport & Host Security

www.ens.psl.eu
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 9 13:05:10 2026 GMT
api.archives-ouvertes.fr
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Dec 18 12:16:58 2026 GMT
api.hal.science
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Dec 18 12:15:53 2026 GMT

Domain (DNS/Email) Security

psl.eu
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: yes
archives-ouvertes.fr
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: yes

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.ens.psl.eu
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  9 13:05:10 2026 GMT
  hsts: true
  hsts_max_age: 15768000
- 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
- host: api.hal.science
  https: true
  tls_version: TLSv1.3
  cert_expires: Dec 18 12:15:53 2026 GMT
  hsts: true
  hsts_max_age: 63072000
domains:
- domain: psl.eu
  dnssec: false
  caa:
  - 0 issue "letsencrypt.org"
  - 0 issue "amazon.com"
  - 0 issuewild "amazon.com"
  - 0 issuewild "letsencrypt.org"
  - 0 issuewild "harica.gr"
  - 0 issue "harica.gr"
  spf: true
  dmarc: true
  dmarc_policy: none
- domain: archives-ouvertes.fr
  dnssec: false
  caa:
  - 0 issue "harica.gr"
  - 0 iodef "mailto:ccsd-tech@ccsd.cnrs.fr"
  - 0 issuewild "harica.gr"
  spf: true
  dmarc: true
  dmarc_policy: none