F5 · Domain Security

F5 Domain Security

Domain security

Domain security posture for F5, probed live across 3 host(s) and 2 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 1 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=reject).

ApplicationsSecurityLoad BalancingAPI GatewayWAF

Transport & Host Security

www.f5.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Dec 7 23:59:59 2026 GMT
clouddocs.f5.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Feb 5 23:59:59 2027 GMT
docs.nginx.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 13 23:59:59 2026 GMT

Domain (DNS/Email) Security

f5.com
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: yes
nginx.com
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: none

Source

Domain Security

f5-domain-security.yml Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.f5.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Dec  7 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: clouddocs.f5.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Feb  5 23:59:59 2027 GMT
  hsts: false
- host: docs.nginx.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 13 23:59:59 2026 GMT
  hsts: false
domains:
- domain: f5.com
  dnssec: false
  caa:
  - 0 issue "sectigo.com"
  - 0 iodef "mailto:dnsadmin@f5.com"
  - 0 issue "amazon.com"
  - 0 issue "comodoca.com"
  - 0 issue "digicert.com"
  - 0 issue "entrust.net"
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: nginx.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none