Mark43 · Domain Security

Mark43 Domain Security

Domain security

Domain security posture for Mark43, probed live across 3 host(s) and 1 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=reject).

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Transport & Host Security

mark43.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 9 22:07:34 2026 GMT
developers.mark43.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 1 23:59:59 2026 GMT
department.mark43.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Nov 4 23:59:59 2026 GMT

Domain (DNS/Email) Security

mark43.com
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-20'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: mark43.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  9 22:07:34 2026 GMT
  hsts: true
  hsts_max_age: 63072000
- host: developers.mark43.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  1 23:59:59 2026 GMT
  hsts: false
- host: department.mark43.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Nov  4 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 16000000
domains:
- domain: mark43.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject