generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.worldcat.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  5 02:44:56 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: www.oclc.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 25 08:54:21 2026 GMT
  hsts: true
  hsts_max_age: 63072000
- host: americas.discovery.api.oclc.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 23 21:59:19 2026 GMT
  hsts: null
domains:
- domain: worldcat.org
  dnssec: true
  caa:
  - 0 issuewild "awstrust.com"
  - 0 issuewild "comodoca.com"
  - 0 issuewild "digicert.com; cansignhttpexchanges=yes"
  - 0 issuewild "letsencrypt.org"
  - 0 issuewild "pki.goog; cansignhttpexchanges=yes"
  - 0 issuewild "ssl.com"
  spf: false
  dmarc: true
  dmarc_policy: quarantine
- domain: oclc.org
  dnssec: true
  caa:
  - 0 issuewild "pki.goog; cansignhttpexchanges=yes"
  - 0 issuewild "ssl.com"
  - 128 issue "amazon.com"
  - 0 issue "comodoca.com"
  - 0 issue "digicert.com; cansignhttpexchanges=yes"
  - 0 issue "letsencrypt.org"
  spf: true
  dmarc: true
  dmarc_policy: quarantine