generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: blockchair.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 18 14:33:07 2026 GMT
  hsts: true
  hsts_max_age: 63072000
- host: api.blockchair.com
  https: true
  tls_version: TLSv1.2
  cert_expires: Aug 13 06:00:23 2026 GMT
  hsts: true
  hsts_max_age: 63072000
domains:
- domain: blockchair.com
  dnssec: true
  caa:
  - 0 issue "letsencrypt.org"
  - 0 issuewild "letsencrypt.org"
  - 0 iodef "mailto:admin@blockchair.com"
  spf: true
  dmarc: true
  dmarc_policy: none