4R Systems · Domain Security

4R Domain Security

Domain security

Domain security posture for 4R Systems, probed live across 1 host(s) and 1 registrable domain(s). 1 host(s) serve HTTPS (up to TLSv1.3); 0 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=none).

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Transport & Host Security

4rsystems.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Nov 13 14:35:38 2026 GMT

Domain (DNS/Email) Security

4rsystems.com
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: none

Source

Domain Security

4r-domain-security.yml Raw ↑ 
generated: '2026-09-05'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: 4rsystems.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Nov 13 14:35:38 2026 GMT
  hsts: false
domains:
- domain: 4rsystems.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none

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Tools for security posture

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  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
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