Qonto · Domain Security

Qonto Domain Security

Domain security

Domain security posture for Qonto, probed live across 3 host(s) and 1 registrable domain(s). 3 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

qonto.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no
thirdparty.qonto.com
HTTPS: yes · TLS: TLSv1.2 · HSTS: yes
docs.qonto.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no

Domain (DNS/Email) Security

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

Source

Domain Security

Raw ↑ 
generated: '2026-07-17'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + docs/API hosts
hosts:
- host: qonto.com
  https: true
  tls_version: TLSv1.3
  server: CloudFront
  hsts: null
  note: Marketing site fronted by CloudFront; redirects (301) to canonical host.
- host: thirdparty.qonto.com
  https: true
  http_version: HTTP/2
  tls_version: TLSv1.2
  server: cloudflare
  hsts: true
  hsts_max_age: 315360000
  hsts_include_subdomains: true
  hsts_preload: true
  note: Production Business API host; unauthenticated request returns HTTP 400.
- host: docs.qonto.com
  https: true
  tls_version: TLSv1.3
  hsts: null
  note: Developer documentation (Mintlify-style, llms.txt published).
domains:
- domain: qonto.com
  spf: true
  spf_record: v=spf1 include:_spf.google.com include:sendgrid.net include:amazonses.com include:_spf.salesforce.com include:mail.zendesk.com ~all
  dmarc: true
  dmarc_policy: reject
  dmarc_record: v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email