domain report
Is 4cd.edu a business email?
4cd.edu is an education domain: a school, college or university.
Education domain — a school or university.
- category
- education
- recommendation
- allow
- confidence
- 93%
- Google Workspace: not detected
- Microsoft 365: detected
Mail setup
- Receives mail
- Yes
- Mail provider
- microsoft 365
- SPF
- v=spf1 include:_spf.4cd_edu._d.easydmarc.pro include:_spf.psm.knowbe4.com ~all
- DMARC policy
- quarantine
| Priority | MX host |
|---|---|
| 0 | 4cd-edu.mail.protection.outlook.com |
Workspace
- Google WorkspaceNot detected
- Microsoft 365Detected · region NA · federated sign-in · IdP other
Detected per company domain from public DNS and Microsoft's documented tenant discovery — never per person.
Why this verdict
Confidence 93% · recommendation allow under the default b2b policy.
What this means
Addresses at 4cd.edu belong to an institution's own domain, so isBusinessEmail treats them as organizational: is_business is true and the recommendation is allow under every policy. It is on our education domains list.
Students and staff use these addresses, which makes them useful for academic discounts and verification. 4cd.edu receives mail through 4cd-edu.mail.protection.outlook.com.
Questions about 4cd.edu
Is 4cd.edu a business email?
It is an organizational email on an education domain. isBusinessEmail returns category "education" with is_business: true.
Can I use 4cd.edu to verify students?
An address on an education domain shows the person has an account at the institution, which many companies accept for student discounts. Alumni and staff may have one too.
Should I allow 4cd.edu sign-ups?
isBusinessEmail recommends allow for education domains under the b2b, strict and lenient policies.