Cms Blue Button Domain Security

Domain security

Domain security posture for CMS Blue Button 2.0, probed live across 3 host(s) and 1 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 3 advertise HSTS. Email/DNS controls: DNSSEC present, SPF present, DMARC present (p=reject).

Blue ButtonCARINMedicareFHIRClaims DataPatient AccessHealthcareGovernment

Transport & Host Security

bluebutton.cms.gov

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Jan 22 23:59:59 2027 GMT

api.bluebutton.cms.gov

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Jan 22 23:59:59 2027 GMT

sandbox.bluebutton.cms.gov

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 3 17:49:24 2026 GMT

Domain (DNS/Email) Security

cms.gov

DNSSEC: yes · SPF: yes · DMARC: yes (p=reject) · CAA: none

Source

Domain Security

generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: bluebutton.cms.gov
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 22 23:59:59 2027 GMT
  hsts: true
  hsts_max_age: 31536000
- host: api.bluebutton.cms.gov
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 22 23:59:59 2027 GMT
  hsts: true
  hsts_max_age: 31536000
- host: sandbox.bluebutton.cms.gov
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep  3 17:49:24 2026 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: cms.gov
  dnssec: true
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject

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