generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: openlibrary.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 28 23:05:19 2026 GMT
  hsts: false
- host: covers.openlibrary.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 17 23:08:21 2026 GMT
  hsts: false
domains:
- domain: openlibrary.org
  dnssec: false
  caa: []
  spf: false
  dmarc: false