OpenTopography API · Domain Security

Opentopography Api Domain Security

Domain security

Domain security posture for OpenTopography 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 absent, SPF absent, DMARC present (p=none).

DEMDataElevationGeospatialLiDARTopographicalTopography

Transport & Host Security

opentopography.org
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 30 14:51:04 2026 GMT
portal.opentopography.org
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 25 09:31:36 2026 GMT

Domain (DNS/Email) Security

opentopography.org
DNSSEC: no · SPF: no · DMARC: yes (p=none) · 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: opentopography.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 30 14:51:04 2026 GMT
  hsts: false
- host: portal.opentopography.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 25 09:31:36 2026 GMT
  hsts: false
domains:
- domain: opentopography.org
  dnssec: false
  caa: []
  spf: false
  dmarc: true
  dmarc_policy: none