Synthetic Alpha Ltd
alpha.invalid
──────────────────────────────────────────────────────────────────────────────
  Provider     Microsoft 365 (MX delivery path) + Proofpoint gateway (MX
               delivery path)
  Tenant       a1b2c3d4-e5f6-7890-abcd-ef1234567890 • NA
  Auth         Federated
  Confidence   ●●● High (3 sources)


Services
  Email          Microsoft 365, Proofpoint, DMARC reject, MTA-STS enforce
  Collaboration  Slack (public TXT account indicator)


Passive-DNS ceiling
  Passive DNS surfaces what publishes externally. Server-side API consumption,
  internal workloads, and SaaS without DNS verification do not appear in
  public DNS records.

High-signal related domains
  api.alpha.invalid, login.alpha.invalid

Insights
  Email security 4/5 strong (DMARC reject, DKIM, SPF strict, MTA-STS)


Conflicts
  display_name:   [2 sources disagree]

