OpenSSF · Domain Security

Openssf Domain Security

Domain security

Domain security posture for OpenSSF, probed live across 3 host(s) and 2 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 1 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=none).

Linux FoundationOpen-SourceSecuritySupply ChainVulnerabilities

Transport & Host Security

openssf.org
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 24 07:57:22 2026 GMT
osv.dev
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 27 20:43:44 2026 GMT
api.osv.dev
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 5 14:00:19 2026 GMT

Domain (DNS/Email) Security

openssf.org
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: none
osv.dev
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: openssf.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 24 07:57:22 2026 GMT
  hsts: true
  hsts_max_age: 300
- host: osv.dev
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 27 20:43:44 2026 GMT
  hsts: false
- host: api.osv.dev
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  5 14:00:19 2026 GMT
  hsts: null
domains:
- domain: openssf.org
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none
- domain: osv.dev
  dnssec: false
  caa: []
  spf: false
  dmarc: false

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