domain report
Is tudelft.nl a business email?
tudelft.nl 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 ip4:130.161.131.0/24 ip4:131.180.77.44 ip4:52.59.111.152 include:spf.protection.outlook.com ip4:46.31.188.52 ip4:212.83.209.198 ip4:212.83.209.204 include:spf.afas.online ip4:94.143.211.206 ip4:94.143.211.207 include:spf.recruitmail.com ip4:46.31.48.0/21 include:spf.topdesk.net include:spf.faqtory.nl include:a._spf.brightspace.com ip4:136.144.199.28 ip4:136.144.226.32 ip4:77.74.54.216 ip4:213.206.232.0/27 ip4:185.136.64.128/27 ip4:185.136.65.128/27 include:spf-x-tudelft-nl.dataduiker.app ~all
- DMARC policy
- reject
| Priority | MX host |
|---|---|
| 10 | tudelft-nl.mail.protection.outlook.com |
Workspace
- Google WorkspaceNot detected
- Microsoft 365Detected · region EU · 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 tudelft.nl 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. tudelft.nl receives mail through tudelft-nl.mail.protection.outlook.com.
Questions about tudelft.nl
Is tudelft.nl a business email?
It is an organizational email on an education domain. isBusinessEmail returns category "education" with is_business: true.
Can I use tudelft.nl 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 tudelft.nl sign-ups?
isBusinessEmail recommends allow for education domains under the b2b, strict and lenient policies.