4D Bios · Domain Security

4Dbios Domain Security

Domain security

Domain security posture for 4D Bios, probed live across 5 host(s) and 1 registrable domain(s). 4 host(s) serve HTTPS; 1 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC absent.

CompanyAgricultureSmart AgricultureVertical FarmingPlant FactoryControlled Environment AgricultureIoTLED LightingHardwareManufacturing

Transport & Host Security

www.4d-bios.com

HTTPS: yes · HSTS: yes

4d-bios.com

HTTPS: yes · HSTS: no

openapi.4d-bios.com

HTTPS: yes · HSTS: no

iot.4d-bios.com

HTTPS: yes · HSTS: no

api.4d-bios.com

HTTPS: no · HSTS: no

Domain (DNS/Email) Security

4d-bios.com

DNSSEC: no · SPF: yes · DMARC: no · CAA: none

Source

Domain Security

generated: '2026-09-05'
method: probed
source: live DNS/TLS/HTTP probes of the 4d-bios.com registrable domain and its console hosts
note: >-
  The origin (Aliyun, Hangzhou) is intermittently unreachable from a US probe point — roughly one
  request in three times out at the TCP layer. Every value below was re-probed until a real response
  came back; an initial automated pass recorded https:false for www.4d-bios.com purely from those
  timeouts and has been corrected here.
hosts:
- host: www.4d-bios.com
  https: true
  http_status: 200
  server: nginx
  hsts: true
  hsts_header: max-age=31536000
  hsts_max_age: 31536000
  hsts_include_subdomains: false
  hsts_preload: false
- host: 4d-bios.com
  https: true
  http_status: 200
  server: nginx
- host: openapi.4d-bios.com
  https: true
  http_status: 200
  note: 4D Open Platform / 4D CUBE MS console (Ant Design Vue single-page app, login-gated)
- host: iot.4d-bios.com
  https: true
  http_status: 200
  note: IoT console (single-page app, login-gated)
- host: api.4d-bios.com
  https: false
  http_status: null
  note: >-
    DNS A record exists (120.55.48.120) but TCP connections to 80 and 443 time out from the probe
    point; no HTTP response was ever observed.
domains:
- domain: 4d-bios.com
  dnssec: false
  caa: []
  spf: true
  spf_record: v=spf1 include:spf.163.com -all
  dmarc: false

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