Quaderno · Domain Security

Quaderno Domain Security

Domain security

Domain security posture for Quaderno, probed live across 3 host(s) and 2 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 0 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=quarantine).

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Transport & Host Security

quaderno.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 21 05:59:45 2026 GMT
developers.quaderno.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 21 07:10:03 2026 GMT
account_name.quadernoapp.com
HTTPS: yes · HSTS: no

Domain (DNS/Email) Security

quaderno.io
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: yes
quadernoapp.com
DNSSEC: no · SPF: yes · DMARC: no · CAA: yes

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: quaderno.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 21 05:59:45 2026 GMT
  hsts: false
- host: developers.quaderno.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 21 07:10:03 2026 GMT
  hsts: false
- host: account_name.quadernoapp.com
  https: true
  tls_cert_error: '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: Hostname mismatch,
    certificate is not valid for ''account_nam'
  hsts: null
domains:
- domain: quaderno.io
  dnssec: false
  caa:
  - 0 issue "amazon.com"
  - 0 issue "amazonaws.com"
  - 0 issue "amazontrust.com"
  - 0 issue "awstrust.com"
  - 0 issue "comodoca.com"
  - 0 issue "digicert.com; cansignhttpexchanges=yes"
  spf: true
  dmarc: true
  dmarc_policy: quarantine
- domain: quadernoapp.com
  dnssec: false
  caa:
  - 0 issuewild "ssl.com"
  - 0 issue "amazon.com"
  - 0 issue "amazonaws.com"
  - 0 issue "amazontrust.com"
  - 0 issue "awstrust.com"
  - 0 issue "comodoca.com"
  spf: true
  dmarc: false