generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: signal.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  5 17:16:42 2026 GMT
  hsts: false
- host: chat.signal.org
  https: true
  tls_cert_error: '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get
    local issuer certificate (_ssl.c:1082)'
  hsts: null
domains:
- domain: signal.org
  dnssec: true
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: quarantine