Obsidian · Domain Security

Obsidian Domain Security

Domain security

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

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Transport & Host Security

obsidian.md
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 28 12:19:07 2026 GMT
docs.obsidian.md
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 28 12:19:07 2026 GMT
127.0.0.1
HTTPS: no · HSTS: no

Domain (DNS/Email) Security

obsidian.md
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · 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: obsidian.md
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 28 12:19:07 2026 GMT
  hsts: true
  hsts_max_age: 7776000
- host: docs.obsidian.md
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 28 12:19:07 2026 GMT
  hsts: true
  hsts_max_age: 7776000
- host: 127.0.0.1
  https: false
domains:
- domain: obsidian.md
  dnssec: false
  caa:
  - 0 issuewild "digicert.com; cansignhttpexchanges=yes"
  - 0 issuewild "letsencrypt.org"
  - 0 issuewild "pki.goog; cansignhttpexchanges=yes"
  - 0 issuewild "ssl.com"
  - 0 issue "comodoca.com"
  - 0 issue "digicert.com; cansignhttpexchanges=yes"
  spf: true
  dmarc: true
  dmarc_policy: quarantine