domain report
Is adelphi.edu a business email?
adelphi.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 tenant: detected
Mail setup
- Receives mail
- Yes
- Mail provider
- —
- SPF
- v=spf1 mx ?include:_spf.google.com ?include:cust-spf.cashnet.com ?include:_spf.salesforce.com ip4:192.147.12.0/24 ip4:129.41.169.235 ip4:64.94.160.144 ip4:129.41.169.229 ip4:209.133.88.31 ip4:216.200.108.191 ip4:216.200.107.203 ip4:216.200.111.112 ip4:209.133.75.58 ip4:209.133.75.59 ip4:209.133.75.60 ip4:82.98.241.40 ip4:63.91.111.53 ip4:208.75.123.0/24 ip4:63.251.135.74 ip4:63.251.135.75 ip4:63.251.135.98 ip4:63.251.135.103 ip4:63.251.135.109 ip4:63.251.135.115 ip4:64.95.77.162 ip4:64.95.77.163 ip4:64.95.77.164 ip4:66.151.184.35 ip4:66.151.184.37 ip4:66.151.234.151 ip4:66.151.234.152 ip4:66.151.234.153 ip4:66.151.234.154 ip4:216.235.205.0/24 ip4:216.235.206.0/24 ip4:209.34.83.224 ip4:216.235.196.0/22 ip4:216.235.200.0/21 ip4:205.139.104.0/22 ip4:206.79.6.0/24 ip4:66.179.50.182 ip4:66.179.50.183 ip4:66.179.50.184 ip4:66.179.50.185 ip4:66.179.50.186 ip4:66.179.50.187 ip4:66.179.50.188 ip4:66.179.50.189 ip4:74.217.58.249 ip4:74.125.0.0/16 ip4:34.195.197.221 ip4:34.225.212.191 ip4:199.231.134.73 ip4:52.6.98.204 ip4:52.70.153.240 ip4:66.151.109.0/24 ip4:72.50.228.0/24 ip4:192.231.214.0/24 ip4:23.253.251.136 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:216.248.199.106 ip4:192.254.119.180 ip4:64.74.237.230/31 ip4:216.147.212.20/30 ip4:68.142.157.151/32 ip4:68.142.157.152/32 ip4:18.223.90.162 ip4:18.223.90.162/32 ip4:162.247.216.0/22 ip4:139.60.152.0/22 ip4:98.97.248.0/21 ip4:64.69.212.0/24 ip4:54.186.193.102/32 ip4:52.222.73.120/32 ip4:52.222.73.83 ip4:52.222.62.51 ip4:52.222.75.85 ip4:52.222.89.228 ip4:160.1.62.192 ip4:52.61.91.9 ip4:15.200.21.50 ip4:74.217.54.250/31 ip4:49.255.152.93/31 ip4:74.121.167.29 ip4:74.121.167.30 ip4:88.205.100.160/27 ip4:213.9.75.59 ip4:213.9.75.60 ip4:209.236.109.189 ip4:209.236.109.190 ip4:202.58.142.250 ip4:202.58.142.251 ip4:202.58.140.250 ip4:202.58.140.251 ip4:89.187.106.61 ip4:89.187.106.62 ip4:89.21.6.61 ip4:89.21.6.62 ip4:149.97.158.154/31 ip4:62.216.248.221 ip4:62.216.248.222 ip4:88.205.108.64/26 ip4:50.31.61.187 ip4:50.31.61.193 ip4:50.31.61.232 ip4:50.31.61.73 ip4:50.31.40.20 ip4:50.31.40.101 ip4:167.89.34.105 ip4:192.254.112.111 ip4:198.37.158.3 ip4:208.117.55.247 ip4:162.247.112.0/21 ip4:168.235.224.0/20 ip4:209.133.224.0/19 ip4:50.31.43.252 ip4:52.210.155.131 ip4:34.194.230.233 ip4:34.230.107.215 ip4:34.250.203.24 ip4:34.250.117.27 ip4:52.62.198.211 ip4:52.60.116.9 ip4:52.60.157.49 ip4:150.230.240.226 ip4:52.70.104.58 ip4:35.174.117.211 ip4:168.245.29.173 ip4:52.86.177.169 ip4:173.236.20.0/24 ip4:192.92.97.0/24 ip4:52.128.40.0/21 ip4:217.8.118.0/24 ip4:103.229.233.0/24 ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:69.169.224.0/20 ip4:23.249.208.0/20 ip4:23.251.224.0/19 ip4:76.223.176.0/20 ip4:52.82.172.0/22 ip4:54.240.64.0/19 ip4:54.240.96.0/19 ip4:76.223.128.0/19 ip4:216.221.160.0/19 ip4:205.139.105.48/29 ip4:206.79.6.128/26 ip4:208.40.241.140/30 ip4:216.37.18.6 ip4:204.8.10.114 ip4:216.235.197.198 ip4:64.209.141.221 ip4:52.86.188.131 ip4:52.43.50.148 ip4:204.14.234.64/28 ip4:204.14.232.64/28 ip4:182.50.78.64/28 ip4:96.43.144.64/31 ip4:96.43.148.64/31 ip4:156.70.47.247 ip4:199.15.255.199 ip4:141.193.208.0/23 ip4:143.55.227.129 ip4:159.135.232.81 ip4:54.240.121.247 ip4:54.240.121.248 ip4:104.45.175.206 ip4:52.224.142.128 ip4:52.180.90.234 ~all
- DMARC policy
- none
| Priority | MX host |
|---|---|
| 5 | mercury.adelphi.edu |
| 10 | delivery.adelphi.edu |
Workspace
- Google WorkspaceDetected
- Microsoft 365Tenant only: Microsoft sign-in works, email runs elsewhere · region NA · 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 adelphi.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. adelphi.edu receives mail through mercury.adelphi.edu, delivery.adelphi.edu.
Questions about adelphi.edu
Is adelphi.edu a business email?
It is an organizational email on an education domain. isBusinessEmail returns category "education" with is_business: true.
Can I use adelphi.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 adelphi.edu sign-ups?
isBusinessEmail recommends allow for education domains under the b2b, strict and lenient policies.