University Of Tokyo Domain Security

Domain security

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

EducationHigher EducationUniversityJapanResearchLibraryDigital ArchivesIIIFOpen DataOAI-PMH

Transport & Host Security

www.u-tokyo.ac.jp

HTTPS: yes · TLS: TLSv1.2 · HSTS: no · cert expires: Dec 6 03:13:04 2026 GMT

da.dl.itc.u-tokyo.ac.jp

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 10 14:53:50 2026 GMT

repository.dl.itc.u-tokyo.ac.jp

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Mar 30 02:08:06 2027 GMT

Domain (DNS/Email) Security

u-tokyo.ac.jp

DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · 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.u-tokyo.ac.jp
  https: true
  tls_version: TLSv1.2
  cert_expires: Dec  6 03:13:04 2026 GMT
  hsts: false
- host: da.dl.itc.u-tokyo.ac.jp
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 10 14:53:50 2026 GMT
  hsts: false
- host: repository.dl.itc.u-tokyo.ac.jp
  https: true
  tls_version: TLSv1.3
  cert_expires: Mar 30 02:08:06 2027 GMT
  hsts: true
  hsts_max_age: 31556926
domains:
- domain: u-tokyo.ac.jp
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject