Certn · Domain Security

Certn Com Domain Security

Domain security

Domain security posture for Certn, probed live across 3 host(s) and 1 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 3 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=none).

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Transport & Host Security

certn.co

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 26 01:03:04 2026 GMT

docs.certn.co

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 1 13:06:01 2026 GMT

centric-api-docs.certn.co

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 26 01:03:04 2026 GMT

Domain (DNS/Email) Security

certn.co

DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: none

Source

Domain Security

generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: certn.co
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 26 01:03:04 2026 GMT
  hsts: true
  hsts_max_age: 15552000
- host: docs.certn.co
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep  1 13:06:01 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: centric-api-docs.certn.co
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 26 01:03:04 2026 GMT
  hsts: true
  hsts_max_age: 15552000
domains:
- domain: certn.co
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none