domain report

Is marsh.com a business email?

Yes. Work email on a company-owned domain.

GET /v1/check?domain=marsh.comchecked 26 Oct 2026
isBusinessEmail("marsh.com")
true

Work email on a company-owned domain. The domain has a Microsoft 365 (Entra ID) tenant, so Microsoft work sign-in works.

category
business
recommendation
allow
confidence
99%
  • Google Workspace: not detected
  • Microsoft tenant: detected

Mail setup

Receives mail
Yes
Mail provider
proofpoint
SPF
v=spf1 include:marsh.com._nspf.vali.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:ncapp02.com ~all
DMARC policy
reject
MX records for marsh.com
PriorityMX host
5mxa-001b7601.gslb.pphosted.com
5mxb-001b7601.gslb.pphosted.com

Workspace

  • Google WorkspaceNot detected
  • Microsoft 365Tenant only: Microsoft sign-in works, email runs elsewhere · region NA · federated sign-in · IdP okta

Detected per company domain from public DNS and Microsoft's documented tenant discovery — never per person.

Why this verdict

Confidence 99% · recommendation allow under the default b2b policy.

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