domain report

Is gwu.edu a business email?

gwu.edu is an education domain: a school, college or university.

GET /v1/check?domain=gwu.educhecked 18 Oct 2026
isBusinessEmail("gwu.edu")
true

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 include:_spf.prod.campusgroups.com exists:%{i}._spf.mta.salesforce.com exists:%{i}._spf.sparkpostmail.com include:_spf.google.com include:salsalabs.org include:amazonses.com include:_spf-amer.onbmc.com include:50831232.spf08.hubspotemail.net include:huronclick.com include:email-od.com ip4:104.130.198.37 ip4:104.130.219.135 ip4:104.130.219.250 ip4:104.130.70.233 ip4:104.197.65.145 ip4:108.168.203.23/32 ip4:117.20.43.11/32 ip4:128.164.11.148 ip4:128.164.45.0/24 ip4:13.37.84.251/32 ip4:13.58.175.231/32 ip4:13.58.219.195/32 ip4:135.84.80.0/22 ip4:136.117.59.37 ip4:136.143.160.0/24 ip4:136.143.184.0/24 ip4:136.143.188.0/24 ip4:139.60.0.0/22 ip4:139.60.152.0/22 ip4:147.160.167.0/26 ip4:15.200.201.185 ip4:15.200.21.50 ip4:15.200.44.248 ip4:158.228.129.79 ip4:159.135.235.14 ip4:160.1.62.192 ip4:161.253.145.110 ip4:161.253.145.144 ip4:161.253.150.3 ip4:161.253.166.0/26 ip4:162.247.216.0/22 ip4:165.140.171.0/24 ip4:165.173.128.0/24 ip4:168.245.3.219 ip4:173.203.56.127 ip4:173.203.79.77 ip4:173.203.81.82 ip4:173.203.82.6 ip4:176.31.145.254 ip4:18.136.72.214/32 ip4:18.188.134.198/32 ip4:18.219.6.37/32 ip4:18.223.90.163/31 ip4:198.187.196.100 ip4:198.187.196.130 ip4:198.241.207.0/24 ip4:199.231.134.73 ip4:199.244.78.223 ip4:199.244.78.224 ip4:199.30.234.192/27 ip4:199.30.234.56/29 ip4:199.30.234.64/26 ip4:199.30.235.11/32 ip4:199.67.64.0/24 ip4:206.107.42.249 ip4:206.107.42.254 ip4:207.195.176.0/20 ip4:208.117.49.214 ip4:216.147.212.20/30 ip4:216.235.195.0/24 ip4:216.24.225.0/24 ip4:216.24.226.0/24 ip4:216.248.199.106 ip4:23.21.109.197 ip4:23.21.109.212 ip4:23.21.255.193/32 ip4:23.253.203.171 ip4:23.253.213.135 ip6:2606:69c0:5120:1005::12/64 ip6:2606:69c0:9120:1006::7/64 ip4:3.218.253.173 ip4:3.219.183.2/32 ip4:3.75.117.13/32 ip4:3.87.181.51/32 ip4:3.97.26.246/32 ip4:34.127.23.110 ip4:34.195.3.229/32 ip4:34.198.122.65 ip4:34.208.9.76 ip4:34.210.225.178 ip4:34.211.93.3 ip4:34.212.245.232 ip4:34.217.170.63 ip4:34.217.222.199 ip4:34.218.134.250 ip4:34.218.219.9 ip4:34.237.205.19/32 ip4:34.58.215.46 ip4:34.75.16.178 ip4:34.75.49.213 ip4:34.86.109.48 ip4:35.155.205.36 ip4:35.163.187.232 ip4:35.167.179.172 ip4:35.169.190.25/32 ip4:35.169.198.45/32 ip4:35.177.188.31/32 ip4:35.203.175.213 ip4:35.184.208.151 ip4:35.229.62.77 ip4:35.245.6.248 ip4:35.245.63.129 ip4:37.216.222.128/28 ip4:37.59.202.74 ip4:44.219.181.110/32 ip4:44.234.7.164 ip4:50.112.141.209 ip4:50.16.210.116/32 ip4:50.97.164.168/32 ip4:52.0.20.102 ip4:52.0.90.143/32 ip4:52.11.246.83 ip4:52.12.219.5 ip4:52.13.16.134 ip4:52.2.238.96 ip4:52.20.146.34 ip4:52.203.217.140 ip4:52.222.36.182/32 ip4:52.222.62.51 ip4:52.222.73.120/32 ip4:52.222.73.83 ip4:52.222.75.85 ip4:52.222.89.228 ip4:52.23.73.104/32 ip4:52.25.230.42 ip4:52.26.137.1 ip4:52.26.218.15 ip4:52.26.86.178 ip4:52.27.124.21 ip4:52.38.140.162 ip4:52.39.9.202 ip4:52.40.133.144 ip4:52.41.48.65 ip4:52.43.232.107 ip4:52.43.50.148 ip4:52.6.97.95/32 ip4:52.61.91.9 ip4:52.64.190.42/32 ip4:52.86.188.131 ip4:54.148.17.198 ip4:54.173.229.38 ip4:54.174.116.32 ip4:54.186.193.102/32 ip4:54.187.208.83 ip4:54.189.251.240 ip4:54.190.223.39 ip4:54.191.38.125 ip4:54.236.109.30 ip4:54.236.128.150 ip4:54.69.12.59 ip4:54.69.172.93 ip4:54.69.65.158 ip4:54.69.73.61 ip4:54.87.108.204/32 ip4:64.244.120.32/27 ip4:64.244.122.192/27 ip4:64.69.212.0/24 ip4:64.74.237.230/31 ip4:67.207.158.141 ip4:67.207.158.35 ip4:67.23.31.6 ip4:69.196.241.0/24 ip4:72.50.228.0/24 ip4:74.123.153.0/25 ip4:74.123.154.128/25 ip4:74.200.12.250/30 ip4:74.203.184.208/30 ip4:74.203.184.32/27 ip4:74.203.185.12/32 ip4:94.23.120.168 ip4:98.97.248.0/21 ip4:54.240.121.247 ip4:54.240.121.248 ?all
DMARC policy
reject
MX records for gwu.edu
PriorityMX host
10mailprdvadmz5-mx.es.gwu.edu
10mailprdvadmz2-mx.es.gwu.edu
10mailprdfbdmz3-mx.es.gwu.edu
10mailprdvadmz3-mx.es.gwu.edu
10mailprdfbdmz1-mx.es.gwu.edu
10mailprdvadmz1-mx.es.gwu.edu
10mailprdfbdmz4-mx.es.gwu.edu
10mailprdfbdmz2-mx.es.gwu.edu
10mailprdvadmz4-mx.es.gwu.edu
10mailprdfbdmz5-mx.es.gwu.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 gwu.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. gwu.edu receives mail through mailprdvadmz5-mx.es.gwu.edu, mailprdvadmz2-mx.es.gwu.edu, mailprdfbdmz3-mx.es.gwu.edu and more.

See the full education domains list →

Questions about gwu.edu

Is gwu.edu a business email?

It is an organizational email on an education domain. isBusinessEmail returns category "education" with is_business: true.

Can I use gwu.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 gwu.edu sign-ups?

isBusinessEmail recommends allow for education domains under the b2b, strict and lenient policies.

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