Carnegie Mellon University · Domain Security

Carnegie Mellon University Domain Security

Domain security

Domain security posture for Carnegie Mellon University, probed live across 3 host(s) and 1 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.2); 2 advertise HSTS. Email/DNS controls: DNSSEC present, SPF present, DMARC present (p=none).

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Transport & Host Security

www.cmu.edu
HTTPS: yes · TLS: TLSv1.2 · HSTS: yes · cert expires: Jan 18 23:59:59 2027 GMT
api.delphi.cmu.edu
HTTPS: yes · TLS: TLSv1.2 · HSTS: no · cert expires: Jul 25 23:59:59 2026 GMT
guides.library.cmu.edu
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 2 10:53:32 2026 GMT

Domain (DNS/Email) Security

cmu.edu
DNSSEC: yes · SPF: yes · DMARC: yes (p=none) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.cmu.edu
  https: true
  tls_version: TLSv1.2
  cert_expires: Jan 18 23:59:59 2027 GMT
  hsts: true
  hsts_max_age: 300
- host: api.delphi.cmu.edu
  https: true
  tls_version: TLSv1.2
  cert_expires: Jul 25 23:59:59 2026 GMT
  hsts: null
- host: guides.library.cmu.edu
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  2 10:53:32 2026 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: cmu.edu
  dnssec: true
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none