US Patent and Trademark Office · Domain Security

Us Patent And Trademark Office Domain Security

Domain security

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

Federal GovernmentPatentsTrademarksIntellectual PropertyOpen Data

Transport & Host Security

data.uspto.gov
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Dec 11 23:59:59 2026 GMT
developer.uspto.gov
HTTPS: yes · TLS: TLSv1.2 · HSTS: yes · cert expires: Sep 19 04:00:00 2026 GMT
api.uspto.gov
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Dec 11 23:59:59 2026 GMT

Domain (DNS/Email) Security

uspto.gov
DNSSEC: yes · SPF: yes · DMARC: yes (p=reject) · CAA: yes

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: data.uspto.gov
  https: true
  tls_version: TLSv1.3
  cert_expires: Dec 11 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: developer.uspto.gov
  https: true
  tls_version: TLSv1.2
  cert_expires: Sep 19 04:00:00 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: api.uspto.gov
  https: true
  tls_version: TLSv1.3
  cert_expires: Dec 11 23:59:59 2026 GMT
  hsts: null
domains:
- domain: uspto.gov
  dnssec: true
  caa:
  - 0 issue "amazon.com"
  - 0 issue "amazonaws.com"
  - 0 issue "amazontrust.com"
  - 0 issue "awstrust.com"
  - 0 issue "digicert.com"
  - 0 issue "pki.goog"
  spf: true
  dmarc: true
  dmarc_policy: reject