generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: polygon.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 25 13:20:04 2026 GMT
  hsts: true
  hsts_max_age: 15724800
- host: api.polygon.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 21 17:54:19 2026 GMT
  hsts: null
domains:
- domain: polygon.io
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none