domain report
Is cnuas.edu a business email?
cnuas.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 tenant: detected
Mail setup
- Receives mail
- Yes
- Mail provider
- —
- SPF
- v=spf1 a mx ptr allv=spf1 a mx a:mail3.all-in-1.com mx:mail3.all-in-1.com ptr
- DMARC policy
- None
| Priority | MX host |
|---|---|
| 10 | mail3.all-in-1.com |
| 10 | mail4.all-in-1.com |
Workspace
- Google WorkspaceNot detected
- Microsoft 365Tenant only: Microsoft sign-in works, email runs elsewhere · region NA · managed sign-in
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 cnuas.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. cnuas.edu receives mail through mail3.all-in-1.com, mail4.all-in-1.com.
Questions about cnuas.edu
Is cnuas.edu a business email?
It is an organizational email on an education domain. isBusinessEmail returns category "education" with is_business: true.
Can I use cnuas.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 cnuas.edu sign-ups?
isBusinessEmail recommends allow for education domains under the b2b, strict and lenient policies.