domain report
Is esu.edu a business email?
esu.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.protection.outlook.com include:ADMIN-SPF1.admin.esu.edu include:_spf.salesforce.com include:a._spf.brightspace.com include:sendgrid.net include:spf_esu_slate.esu.edu include:_spf.qualtrics.com ip4:206.107.42.249 ip4:206.107.44.149 ip4:206.225.107.90 ip4:206.225.105.25 ip4:198.187.196.100 ip4:148.59.100.16/28 ip4:204.235.146.149 ip4:38.106.32.22 ip4:38.106.32.46 ip4:198.2.180.57 ip4:149.72.219.196 ip4:23.251.229.37 ip4:34.230.107.215 ip4:34.194.230.233 ip4:52.45.50.190 ip4:3.218.253.173 ip4:206.225.126.29/24 ip6:2a01:111:f403:37::201 ip6:2a01:111:f403:34::200 ~all
- DMARC policy
- quarantine
| Priority | MX host |
|---|---|
| 0 | esu-edu.mail.protection.outlook.com |
Workspace
- Google WorkspaceNot detected
- Microsoft 365Detected · region NA · managed sign-in
Detected per company domain from public DNS and Microsoft's documented tenant discovery — never per person.
Why this verdict
- education_domain
- mx_microsoft_365
- spf_present
- spf_business_saas
- dmarc_quarantine
- txt_saas_tokens:3
- ms_tenant
Confidence 93% · recommendation allow under the default b2b policy.
What this means
Addresses at esu.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. esu.edu receives mail through esu-edu.mail.protection.outlook.com.
Questions about esu.edu
Is esu.edu a business email?
It is an organizational email on an education domain. isBusinessEmail returns category "education" with is_business: true.
Can I use esu.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 esu.edu sign-ups?
isBusinessEmail recommends allow for education domains under the b2b, strict and lenient policies.