generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: openpaymentsdata.cms.gov
  https: true
  tls_version: TLSv1.3
  cipher: TLS_AES_256_GCM_SHA384
  cert_expires: Dec 21 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 31536000
  hsts_include_subdomains: true
domains:
- domain: cms.gov
  dmarc: true
  dmarc_policy: reject
  notes: >-
    Federal .gov domain. DMARC is enforced with p=reject and DHS Cyber
    aggregate/forensic reporting. Served over TLS 1.3 with HSTS
    (max-age 31536000, includeSubDomains).
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com