Congress.gov API · Domain Security

Congress Gov Domain Security

Domain security

Domain security posture for Congress.gov API, probed live across 2 host(s) and 1 registrable domain(s). 2 host(s) serve HTTPS (up to TLSv1.3); 0 advertise HSTS. Email/DNS controls: DNSSEC present, SPF present, DMARC present (p=reject).

GovernmentLegislativeCongressBillsAmendmentsMembersTreatiesNominationsCongressional RecordUS Federal

Transport & Host Security

www.congress.gov
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 18 21:44:05 2026 GMT
api.congress.gov
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 28 11:20:55 2026 GMT

Domain (DNS/Email) Security

congress.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: www.congress.gov
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 18 21:44:05 2026 GMT
  hsts: null
- host: api.congress.gov
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 28 11:20:55 2026 GMT
  hsts: null
domains:
- domain: congress.gov
  dnssec: true
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject