ClinicalTrials.gov · Domain Security

Clinical Trials Gov Domain Security

Domain security

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

Clinical TrialsGovernmentHealthNIHOpen DataPublic HealthResearch

Transport & Host Security

clinicaltrials.gov
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 26 14:32:09 2026 GMT
aact.ctti-clinicaltrials.org
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 21 06:43:37 2026 GMT

Domain (DNS/Email) Security

clinicaltrials.gov
DNSSEC: yes · SPF: yes · DMARC: yes (p=reject) · CAA: yes
ctti-clinicaltrials.org
DNSSEC: no · SPF: no · DMARC: no · 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: clinicaltrials.gov
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 26 14:32:09 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: aact.ctti-clinicaltrials.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 21 06:43:37 2026 GMT
  hsts: false
domains:
- domain: clinicaltrials.gov
  dnssec: true
  caa:
  - 0 issue "godaddy.com"
  - 0 issuewild "letsencrypt.org"
  - 0 issue "letsencrypt.org"
  - 0 issuewild "godaddy.com"
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: ctti-clinicaltrials.org
  dnssec: false
  caa: []
  spf: false
  dmarc: false