Proofpoint · Domain Security

Proofpoint Domain Security

Domain security

Domain security posture for Proofpoint, probed live across 3 host(s) and 1 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=reject).

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Transport & Host Security

help.proofpoint.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Dec 10 23:59:59 2026 GMT

tap-api-v2.proofpoint.com

HTTPS: yes · TLS: TLSv1.2 · HSTS: no · cert expires: Dec 10 23:59:59 2026 GMT

threatprotection-api.proofpoint.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Nov 16 23:59:59 2026 GMT

Domain (DNS/Email) Security

proofpoint.com

DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: yes

Source

Domain Security

generated: '2026-09-13'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: help.proofpoint.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Dec 10 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: tap-api-v2.proofpoint.com
  https: true
  tls_version: TLSv1.2
  cert_expires: Dec 10 23:59:59 2026 GMT
  hsts: null
- host: threatprotection-api.proofpoint.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Nov 16 23:59:59 2026 GMT
  hsts: null
domains:
- domain: proofpoint.com
  dnssec: false
  caa:
  - 0 issue "comodo.com"
  - 0 issue "thawte.com"
  spf: true
  dmarc: true
  dmarc_policy: reject

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