domain report
Is isea.irk.ru a business email?
isea.irk.ru 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 mx a ptr ip4:195.206.40.177 ip4:195.206.40.175 ip4:195.206.55.201 ip4:195.206.55.202 ip4:195.206.58.121 include:_spf.yandex.net ~all
- DMARC policy
- None
| Priority | MX host |
|---|---|
| 10 | relay2.dsi.ru |
| 20 | relay1.dsi.ru |
Workspace
- Google WorkspaceNot detected
- Microsoft 365Tenant only: Microsoft sign-in works, email runs elsewhere · 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 isea.irk.ru 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. isea.irk.ru receives mail through relay2.dsi.ru, relay1.dsi.ru.
Questions about isea.irk.ru
Is isea.irk.ru a business email?
It is an organizational email on an education domain. isBusinessEmail returns category "education" with is_business: true.
Can I use isea.irk.ru 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 isea.irk.ru sign-ups?
isBusinessEmail recommends allow for education domains under the b2b, strict and lenient policies.