National Tsing Hua University · Domain Security

Nthu Domain Security

Domain security

Domain security posture for National Tsing Hua University, probed live across 2 host(s) and 2 registrable domain(s). 2 host(s) serve HTTPS (up to TLSv1.3); 0 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=none).

EducationHigher EducationUniversityTaiwanPublic Research UniversityIdentityAuthenticationOpen DataCampusCourse CatalogResearch RepositoryLibrary

Transport & Host Security

www.nthu.edu.tw
HTTPS: yes · HSTS: no
api.nthusa.tw
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 25 02:04:51 2026 GMT

Domain (DNS/Email) Security

nthu.edu.tw
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: none
nthusa.tw
DNSSEC: yes · SPF: no · DMARC: yes (p=none) · CAA: none

Source

Domain Security

Raw ↑ 
# method: derived
# x-source-url: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.nthu.edu.tw
  https: true
  tls_cert_error: '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: Missing Subject
    Key Identifier (_ssl.c:1082)'
  hsts: null
- host: api.nthusa.tw
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 25 02:04:51 2026 GMT
  hsts: null
domains:
- domain: nthu.edu.tw
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none
- domain: nthusa.tw
  dnssec: true
  caa: []
  spf: false
  dmarc: true
  dmarc_policy: none

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