Zeplin · Domain Security

Zeplin Domain Security

Domain security

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

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Transport & Host Security

zeplin.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 14 23:59:59 2026 GMT
docs.zeplin.dev
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 3 08:53:30 2026 GMT
api.zeplin.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 14 23:59:59 2026 GMT

Domain (DNS/Email) Security

zeplin.io
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: yes
zeplin.dev
DNSSEC: no · SPF: no · DMARC: no · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: zeplin.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 14 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: docs.zeplin.dev
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  3 08:53:30 2026 GMT
  hsts: null
- host: api.zeplin.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 14 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: zeplin.io
  dnssec: false
  caa:
  - 0 issue "amazontrust.com"
  spf: true
  dmarc: true
  dmarc_policy: quarantine
- domain: zeplin.dev
  dnssec: false
  caa: []
  spf: false
  dmarc: false