City, New York Open Data · Domain Security

City New York Open Data Domain Security

Domain security

Domain security posture for City, New York Open Data, probed live across 1 host(s) and 1 registrable domain(s). 1 host(s) serve HTTPS (up to TLSv1.3); 0 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF absent, DMARC present (p=none).

GovernmentPublic APIs

Transport & Host Security

opendata.cityofnewyork.us
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 14 02:32:33 2026 GMT

Domain (DNS/Email) Security

cityofnewyork.us
DNSSEC: no · SPF: no · DMARC: yes (p=none) · CAA: none

Source

Domain Security

city-new-york-open-data-domain-security.yml Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: opendata.cityofnewyork.us
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 14 02:32:33 2026 GMT
  hsts: false
domains:
- domain: cityofnewyork.us
  dnssec: false
  caa: []
  spf: false
  dmarc: true
  dmarc_policy: none