generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.att.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 16 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 15768000
- host: developer.att.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 16 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 15768000
- host: api.att.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Feb  6 23:59:59 2027 GMT
  hsts: null
domains:
- domain: att.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject