domain report
Is csuci.edu a business email?
csuci.edu is an education domain: a school, college or university.
Education domain — a school or university.
- category
- education
- recommendation
- allow
- confidence
- 93%
- Google Workspace: detected
- Microsoft 365: detected
Mail setup
- Receives mail
- Yes
- Mail provider
- microsoft 365
- SPF
- v=spf1 ip4:104.42.7.124 ip4:40.118.172.38 ip4:104.42.61.206 ip4:209.129.115.6 ip4:209.129.115.38 ip4:52.4.163.16 ip4:167.89.20.19 ip4:208.117.61.155 ip4:199.244.78.223 ip4:208.117.49.214 ip4:23.22.40.133 ip4:44.207.130.255 ip4:52.32.145.203 ip4:52.70.214.219 ip4:52.88.233.29 ip4:13.59.117.57 ip4:18.220.42.229 ip4:64.74.237.230 ip4:64.74.237.231 ip4:216.147.212.20 ip4:216.147.212.21 ip4:216.147.212.22 ip4:216.147.212.23 ip4:199.244.78.224 ip4:216.147.212.20/30 ip4:167.89.95.129 ip4:209.129.114.23 ip4:192.40.160.0/19 ip4:74.91.80.0/20 ip4:34.198.225.191 ip4:209.129.118.0/24 ip4:209.129.115.0/24 ip4:167.89.16.8 ip4:167.89.0.0/17 ip4:208.117.48.0/20 ip4:50.31.32.0/19 ip4:198.37.144.0/20 ip4:198.21.0.0/21 ip4:192.254.112.0/20 ip4:168.245.0.0/17 ip4:149.72.0.0/16 ip4:34.198.91.107 ip4:34.198.255.191 ip4:165.193.255.16 ip4:165.193.255.33 ip4:173.193.132.242/32 ip4:167.89.98.249/32 ip4:199.59.200.201 ip4:168.61.213.178 ip4:40.122.204.255 ip4:216.24.226.199 ip4:104.45.185.230 ip4:104.45.175.206 ip4:52.224.142.128 ip4:52.180.90.234 ip4:68.232.142.215 ip4:52.151.23.186 ip4:68.232.149.90 ip4:207.54.95.199 ip4:207.54.85.27 ip4:209.129.115.32 ip4:165.193.255.34 ip4:165.193.255.15 ip4:165.193.255.17 ip4:52.151.58.97 ip4:176.31.145.254 ip4:137.145.20.100 ip4:205.139.104.0/22 ip4:205.139.105.48/29 ip4:74.122.104.64 ip4:199.231.134.73/32 ip4:165.193.255.1/26 ip4:165.193.85.1/26 ip4:52.151.86.16 ip4:51.140.64.42 ip4:51.140.33.170 ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 ip4:74.122.104.0/22 include:mh.blackboard.com include:spf.mandrillapp.com include:spf.protection.outlook.com include:finalsiteconnect.com include:_spf.elasticemail.com ~all
- DMARC policy
- quarantine
| Priority | MX host |
|---|---|
| 0 | csuci-edu.mail.protection.outlook.com |
Workspace
- Google WorkspaceDetected
- 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:5
- dkim_google
- ms_tenant
Confidence 93% · recommendation allow under the default b2b policy.
What this means
Addresses at csuci.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. csuci.edu receives mail through csuci-edu.mail.protection.outlook.com.
Questions about csuci.edu
Is csuci.edu a business email?
It is an organizational email on an education domain. isBusinessEmail returns category "education" with is_business: true.
Can I use csuci.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 csuci.edu sign-ups?
isBusinessEmail recommends allow for education domains under the b2b, strict and lenient policies.