generated: '2026-07-28'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.heathrow.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Nov 27 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 63072000
- host: developer.heathrow.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 23 23:59:59 2027 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: heathrow.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject