B3 (Brasil Bolsa Balcão) · Domain Security

B3 Exchange Domain Security

Domain security

Domain security posture for B3 (Brasil Bolsa Balcão), probed live across 2 host(s) and 1 registrable domain(s). 2 host(s) serve HTTPS (up to TLSv1.3); 2 advertise HSTS. Email/DNS controls: DNSSEC present, SPF present, DMARC present (p=reject).

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Transport & Host Security

www.b3.com.br

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 9 03:07:28 2026 GMT

developers.b3.com.br

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 9 03:07:28 2026 GMT

Domain (DNS/Email) Security

b3.com.br

DNSSEC: yes · SPF: yes · DMARC: yes (p=reject) · CAA: none

Source

Domain Security

generated: '2026-07-22'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.b3.com.br
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep  9 03:07:28 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: developers.b3.com.br
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep  9 03:07:28 2026 GMT
  hsts: true
  hsts_max_age: 63072000
domains:
- domain: b3.com.br
  dnssec: true
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject

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