generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.loc.gov
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 12 02:51:22 2026 GMT
  hsts: true
  hsts_max_age: 3600
- host: chroniclingamerica.loc.gov
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 13 04:56:11 2026 GMT
  hsts: null
- host: api.congress.gov
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 28 11:20:55 2026 GMT
  hsts: null
domains:
- domain: loc.gov
  dnssec: true
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none
- domain: congress.gov
  dnssec: true
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject