CB Insights · Domain Security

Cb Insights Domain Security

Domain security

Domain security posture for CB Insights, probed live across 4 host(s) and 1 registrable domain(s). 4 host(s) serve HTTPS (up to TLSv1.3); 1 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=reject).

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Transport & Host Security

www.cbinsights.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Jan 14 23:59:59 2027 GMT
api-docs.cbinsights.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Jan 14 23:59:59 2027 GMT
api.cbinsights.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Jan 20 23:59:59 2027 GMT
mcp.cbinsights.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Jan 20 23:59:59 2027 GMT

Domain (DNS/Email) Security

cbinsights.com
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-08-09'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.cbinsights.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 14 23:59:59 2027 GMT
  hsts: false
- host: api-docs.cbinsights.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 14 23:59:59 2027 GMT
  hsts: false
- host: api.cbinsights.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 20 23:59:59 2027 GMT
  hsts: null
- host: mcp.cbinsights.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 20 23:59:59 2027 GMT
  hsts: true
  hsts_max_age: 31536000
  server: envoy
  note: >-
    The only host in the estate that sets Strict-Transport-Security. Probed 2026-08-09; GET returns
    405 Method Not Allowed (POST-only MCP endpoint) with the HSTS header present on the 405.
domains:
- domain: cbinsights.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject