domain report
Is nku.edu a business email?
nku.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 ip4:192.122.237.124 ip4:192.122.237.114 ip4:192.122.237.115 ip4:192.122.237.116 ip4:192.122.237.117 ip4:184.154.164.10 ip4:64.128.160.11 ip4:64.128.160.12 ip4:199.244.78.223 ip4:199.244.78.224 ip4:64.98.42.6 ip4:64.72.147.0/24 ip4:198.54.240.16 ip4:198.247.173.146 ip4:198.247.173.150 ip4:206.107.42.254 ip4:184.73.195.81 ip4:75.102.5.252 ip4:204.197.211.68 ip4:168.245.41.240 ip4:209.143.65.64/26 ip4:208.117.60.15 ip4:198.37.154.206 ip4:198.61.254.0/24 ip4:192.237.159.138 ip4:208.102.253.74 ip4:23.23.232.124 ip4:198.207.147.224/27 ip4:204.239.0.0/24 ip4:208.75.120.0/22 ip4:216.235.196.0/22 ip4:216.235.200.0/21 ip4:205.139.104.0/22 ip4:206.79.6.0/24 ip4:167.89.25.0/24 ip4:74.122.104.64 ip4:69.25.199.33 ip4:75.98.95.161 ip4:167.89.20.90 ip4:167.89.18.212 ip4:167.89.16.80 ip4:192.254.125.143 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:128.8.15.41 ip4:69.72.35.193 ip4:184.173.153.42 ip4:35.190.4.18 ip4:34.107.169.179 ip4:34.120.116.19 ip4:72.32.181.198 ip4:64.9.4.0/24 ip4:167.89.23.174 ip4:167.89.65.193 ip4:198.37.152.57 ip4:104.154.39.61 ip4:104.197.85.61 ip4:104.197.57.193 ip4:54.174.61.10 ip4:34.194.230.233 ip4:38.106.32.22/32 ip4:38.106.32.46/32 ip4:208.117.49.214 ip4:72.50.228.0/24 ip4:208.117.60.235 ip4:50.31.156.96/27 ip4:104.245.209.192/26 ip4:50.31.205.0/24 ip4:161.38.193.170 ip4:161.38.194.153 ip4:161.38.193.235 ip4:159.135.232.65 ip4:67.227.157.221 ip4:161.38.193.230 ip4:161.38.193.223 ip4:192.237.159.65 ip4:161.38.194.198 ip4:159.135.228.232 ip4:173.55.241.134 ip4:173.55.241.135 ip4:74.217.151.34 ip4:23.253.183.24 ip4:209.61.151.169 ip4:159.135.228.84 ip4:69.72.35.50 ip4:69.72.43.158 ip4:209.61.151.79 ip4:216.157.35.124 ip4:50.31.58.66 ip4:207.21.221.179 ip4:207.21.221.178 ip4:207.21.221.177 ip4:207.21.221.175 ip4:207.21.221.176 include:_spf.qualtrics.com include:spf.protection.outlook.com include:spf.outreachsystems.com include:spf.zoho.com include:39564142.spf05.hubspotemail.net include:_spf.explore-blue.com include:_spf.messagegears.net include:sendersrv.com -all
- DMARC policy
- quarantine
| Priority | MX host |
|---|---|
| 0 | nku-edu.mail.protection.outlook.com |
Workspace
- Google WorkspaceNot detected
- Microsoft 365Detected · region NA · federated sign-in · IdP adfs
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
- ms_federated
Confidence 93% · recommendation allow under the default b2b policy.
What this means
Addresses at nku.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. nku.edu receives mail through nku-edu.mail.protection.outlook.com.
Questions about nku.edu
Is nku.edu a business email?
It is an organizational email on an education domain. isBusinessEmail returns category "education" with is_business: true.
Can I use nku.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 nku.edu sign-ups?
isBusinessEmail recommends allow for education domains under the b2b, strict and lenient policies.