United States Coast Guard · Domain Security

United States Coast Guard Domain Security

Domain security

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

Federal GovernmentMaritime SafetyVessel DocumentationEmergency ResponseLaw Enforcement

Transport & Host Security

cgmix.uscg.mil
HTTPS: yes · TLS: TLSv1.2 · HSTS: yes · cert expires: Feb 23 17:48:58 2027 GMT
www.navcen.uscg.gov
HTTPS: yes · TLS: TLSv1.2 · HSTS: no · cert expires: Feb 22 23:59:59 2027 GMT

Domain (DNS/Email) Security

uscg.mil
DNSSEC: yes · SPF: yes · DMARC: yes (p=reject) · CAA: none
uscg.gov
DNSSEC: yes · SPF: yes · DMARC: yes (p=reject) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: cgmix.uscg.mil
  https: true
  tls_version: TLSv1.2
  cert_expires: Feb 23 17:48:58 2027 GMT
  hsts: true
  hsts_max_age: 31536000
- host: www.navcen.uscg.gov
  https: true
  tls_version: TLSv1.2
  cert_expires: Feb 22 23:59:59 2027 GMT
  hsts: false
domains:
- domain: uscg.mil
  dnssec: true
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: uscg.gov
  dnssec: true
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject