PostStack · Domain Security

Poststack Domain Security

Domain security

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

EmailPublic APIs

Transport & Host Security

poststack.dev
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 6 05:53:03 2026 GMT

Domain (DNS/Email) Security

poststack.dev
DNSSEC: yes · SPF: yes · DMARC: yes (p=quarantine) · CAA: yes

Source

Domain Security

poststack-domain-security.yml Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: poststack.dev
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep  6 05:53:03 2026 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: poststack.dev
  dnssec: true
  caa:
  - 0 iodef "mailto:security@poststack.dev"
  - 0 issuewild "letsencrypt.org"
  - 0 issue "letsencrypt.org"
  spf: true
  dmarc: true
  dmarc_policy: quarantine