Nu (Nubank) · Domain Security

Nubank Domain Security

Domain security

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

NeobankBankingCredit CardsOpen FinancePaymentsBrazilMexicoColombiaLatin America

Transport & Host Security

nubank.com.br

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Jan 17 23:59:59 2027 GMT

openfinance.dev.br

HTTPS: yes · HSTS: no

openbanking.nubank.com.br

HTTPS: no · HSTS: no

Domain (DNS/Email) Security

nubank.com.br

DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: yes

dev.br

DNSSEC: yes · SPF: no · DMARC: no · CAA: none

Source

Domain Security

generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: nubank.com.br
  https: true
  tls_version: TLSv1.3
  cert_expires: Jan 17 23:59:59 2027 GMT
  hsts: true
  hsts_max_age: 63072000
- host: openfinance.dev.br
  https: true
  tls_cert_error: '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has
    expired (_ssl.c:1082)'
  hsts: null
- host: openbanking.nubank.com.br
  https: false
domains:
- domain: nubank.com.br
  dnssec: false
  caa:
  - 0 issue "letsencrypt.org"
  - 0 issue "pki.goog"
  - 0 issue "sectigo.com"
  - 0 issuewild "amazon.com"
  - 0 issuewild "globalsign.com"
  - 0 issuewild "letsencrypt.org"
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: dev.br
  dnssec: true
  caa: []
  spf: false
  dmarc: false