Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
email.gwu.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 22:34:41 UTC · ↺ Refresh
MX Hostnames
- mailprdvadmz3-svcs.es.gwu.edu
- mailprdfbdmz1-svcs.es.gwu.edu
- mailprdfbdmz2-svcs.es.gwu.edu
- mailprdvadmz1-svcs.es.gwu.edu
- mailprdvadmz5-svcs.es.gwu.edu
- mailprdfbdmz3-svcs.es.gwu.edu
- mailprdvadmz2-svcs.es.gwu.edu
- mailprdfbdmz5-svcs.es.gwu.edu
- mailprdvadmz4-svcs.es.gwu.edu
- mailprdfbdmz4-svcs.es.gwu.edu
MX Priorities
- mailprdfbdmz1-svcs.es.gwu.edu: 10
- mailprdfbdmz5-svcs.es.gwu.edu: 10
- mailprdfbdmz4-svcs.es.gwu.edu: 10
- mailprdvadmz2-svcs.es.gwu.edu: 10
- mailprdfbdmz2-svcs.es.gwu.edu: 10
- mailprdvadmz5-svcs.es.gwu.edu: 10
- mailprdvadmz4-svcs.es.gwu.edu: 10
- mailprdvadmz1-svcs.es.gwu.edu: 10
- mailprdvadmz3-svcs.es.gwu.edu: 10
- mailprdfbdmz3-svcs.es.gwu.edu: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 128.164.45.9 ↩ mailprdfbdmz1-svcs.es.gwu.edu
- 128.164.45.55 ↩ mailprdfbdmz5-svcs.es.gwu.edu
- 128.164.45.29 ↩ mailprdfbdmz4-svcs.es.gwu.edu
- 161.253.166.9 ↩ mailprdvadmz2-svcs.es.gwu.edu
- 128.164.45.14 ↩ mailprdfbdmz2-svcs.es.gwu.edu
SOA Record
No SOA record found.
Nameservers (NS)
No nameservers found.
SPF Record
✓ Soft Fail (~all)
v=spf1 include:amazonses.com ip4:161.253.166.0/26 ip4:216.235.195.0/24 ip4:128.164.45.0/26 include:_spf.google.com include:e2ma.net include:spf.zixsmbhosted.com include:_spf.qualtrics.com ip4:198.187.196.100 ip4:198.187.196.130 ip4:3.218.253.173 ip4:34.58.215.46 ip4:104.197.65.145 ip6:2606:69c0:5120:1005::12/64 ip6:2606:69c0:9120:1006::7/64 ip4:128.164.45.133 ip4:128.164.45.137 ip4:128.164.45.134 ?all
📊 DNS lookups: 5/10
? Neutral (?all) — no enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- atlassian-domain-verification=yrSCgEam5gXd5fvAVS7QJoIwDshpVDdG4l0sa4aaAa7SPFNhIQLqYJ8cATGVggFV
- DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCzBWyxxOxJgEk9r4O2fMeVH+z7n1jS5wt2zLINd/Y6utB3ywHNhdd2mcvgbMVdrt4sLMBU/9X5Dh33LNiF/G+ZPagBDu2TdQWUe6aya07N+Cbdcc8AUTxVAgS5K+Q5YlEKJum1Oi079jnMija3ROOAafoZY7h3ZIZrm8uvmG3R4wIDAQAB
- ZOOM_verify_xSMj7sAFmBN5OJBGSyWuLw
- MS=ms64154862
- apple-domain-verification=wBBdlmpEbFeQ6IiQ
- SPFv=spf1 include:amazonses.com ip4:161.253.166.0/26 ip4:216.235.195.0/24 ip4:128.164.45.0/26 include:_spf.google.com include:e2ma.net include:spf.zixsmbhosted.com include:_spf.qualtrics.com ip4:198.187.196.100 ip4:198.187.196.130 ip4:3.218.253.173 ip4:34.58.215.46 ip4:104.197.65.145 ip6:2606:69c0:5120:1005::12/64 ip6:2606:69c0:9120:1006::7/64 ip4:128.164.45.133 ip4:128.164.45.137 ip4:128.164.45.134 ?all
- MS=D3FD233D52185962BCDF072775A2751DD5B003B1
- google-site-verification=03JbjNhzaoqOKboZpgZoHb6s5l44DMtmaP_ICF2HRwY
- nintex.5a391b80f7333c67d3333c80
- cisco-ci-domain-verification=64ddb9f40a063091d8d8e9c85bdea8f1ba2f6f426682356dbc2500fd95aff0d3
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