HeartFlow · Domain Security

Heartflow Domain Security

Domain security

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

CompanyHealthcareMedical ImagingArtificial IntelligenceCardiologyDiagnosticsMedical DevicesRadiologyClinical Decision SupportMachine-Learning

Transport & Host Security

www.heartflow.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 23 21:36:02 2026 GMT

api.heartflow.net

HTTPS: yes · TLS: TLSv1.2 · HSTS: no · cert expires: Jan 8 23:59:59 2027 GMT

Domain (DNS/Email) Security

heartflow.com

DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: none

heartflow.net

DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: none

Source

Domain Security

generated: '2026-08-22'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.heartflow.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 23 21:36:02 2026 GMT
  hsts: true
  hsts_max_age: 63072000
- host: api.heartflow.net
  https: true
  tls_version: TLSv1.2
  cert_expires: Jan  8 23:59:59 2027 GMT
  hsts: null
domains:
- domain: heartflow.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: heartflow.net
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject

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