University of Science and Technology of China · Domain Security

Ustc Domain Security

Domain security

Domain security posture for University of Science and Technology of China, probed live across 3 host(s) and 1 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 0 advertise HSTS. Email/DNS controls: DNSSEC present, SPF present, DMARC present (p=quarantine).

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Transport & Host Security

en.ustc.edu.cn
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 17 23:59:59 2026 GMT
mirrors.ustc.edu.cn
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 22 08:05:39 2026 GMT
passport.ustc.edu.cn
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 5 14:43:29 2026 GMT

Domain (DNS/Email) Security

ustc.edu.cn
DNSSEC: yes · SPF: yes · DMARC: yes (p=quarantine) · CAA: none

Source

Domain Security

ustc-domain-security.yml Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: en.ustc.edu.cn
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 17 23:59:59 2026 GMT
  hsts: false
- host: mirrors.ustc.edu.cn
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 22 08:05:39 2026 GMT
  hsts: false
- host: passport.ustc.edu.cn
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  5 14:43:29 2026 GMT
  hsts: null
domains:
- domain: ustc.edu.cn
  dnssec: true
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: quarantine