generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.shift4.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 23 06:56:58 2026 GMT
  hsts: null
- host: dev.shift4.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 24 11:27:24 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: api.shift4.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 24 01:55:32 2026 GMT
  hsts: null
domains:
- domain: shift4.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: quarantine