Contoso Ltd
contoso.com
──────────────────────────────────────────────────────────────────────────────
  Provider     Microsoft 365 (primary) via Proofpoint gateway
  Tenant       a1b2c3d4-e5f6-7890-abcd-ef1234567890 • NA
  Auth         Federated
  Confidence   ●●● High (3 sources)


Services
  Email          Microsoft 365
  AI             Microsoft Copilot (likely)
  Collaboration  Slack


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.contoso.com, login.contoso.com

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


Certs
  42 total, 7 in last 90d, 3 issuers (Let's Encrypt, DigiCert, Sectigo)

Evidence Detail
  Evidence confidence:  High
  Inference confidence: High
  Detection scores:
    microsoft365: high
    slack: medium
  Evidence chain:
    [TXT] SPF M365 -> microsoft365

