Course Hero · Domain Security

Course Hero Domain Security

Domain security

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

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Transport & Host Security

www.coursehero.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 8 21:53:12 2026 GMT

Domain (DNS/Email) Security

coursehero.com
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: yes

Source

Domain Security

course-hero-domain-security.yml Raw ↑ 
generated: '2026-07-18'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.coursehero.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  8 21:53:12 2026 GMT
  hsts: null
domains:
- domain: coursehero.com
  dnssec: false
  caa:
  - 0 issuewild "pki.goog; cansignhttpexchanges=yes"
  - 0 issuewild "ssl.com"
  - 0 issue "amazontrust.com"
  - 0 issue "comodoca.com"
  - 0 issue "digicert.com; cansignhttpexchanges=yes"
  - 0 issue "globalsign.com"
  spf: true
  dmarc: true
  dmarc_policy: quarantine