Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mfa.gwu.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 19:01:47 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-2.mimecast.com
- mfa-gwu-edu.mail.protection.outlook.com
- usb-smtp-inbound-1.mimecast.com
MX Priorities
- mfa-gwu-edu.mail.protection.outlook.com: 40
- usb-smtp-inbound-2.mimecast.com: 10
- usb-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns1.gwu.edu dns.gwu.edu 688688525 1800 180 1209600 1800
Primary NS (mname)
ns1.gwu.edu
Admin Email (rname)
dns@gwu.edu
Serial
688688525
Refresh
1800s
Retry
180s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
ns2.gwu.edu
ns3.gwu.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:128.164.75.198 ip4:128.164.75.199 ip4:128.164.45.27 ip4:161.253.166.37 ip4:161.253.166.17 ip4:128.164.45.32 ip4:161.253.166.12 ip4:161.253.166.22 ip4:161.253.166.7 ip4:128.164.45.17 ip4:128.164.45.53 ip4:128.164.45.12 include:spf.protection.outlook.com include:mfa-gwu-edu.spf.smtp25.com include:e2ma.net include:_spf.paubox.com include:spf.registeredsite.com include:usb._netblocks.mimecast.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- 2WYDysVw09g6krcOwUg5+ONl7NmGk5xhsy5623XpS+pMLyzqxscnExTl+/S4xAkpejHGZVoY/n1wWFv7SNWl0w==
- MS=ms64450711
- atlassian-domain-verification=eEmL/FO8Io0oskO6JgeTH8dNhKaFjawKZPPjM/1spZri9GDX0gYCjvzaiBavoagL
- _2de5xft4azicbusji3hx0rb1xcqtxui
- ibmid=8e5a0eb1-faec-4d1c-9adb-d85263df61cf
- logmein-verification-code=bc7c6b05-5843-4295-9208-8fd2f0dfe826
- _f76u4ldywvkl82ns603gjbi21sy4n9g
- SPFv=spf1 ip4:128.164.75.198 ip4:128.164.75.199 ip4:128.164.45.27 ip4:161.253.166.37 ip4:161.253.166.17 ip4:128.164.45.32 ip4:161.253.166.12 ip4:161.253.166.22 ip4:161.253.166.7 ip4:128.164.45.17 ip4:128.164.45.53 ip4:128.164.45.12 include:spf.protection.outlook.com include:mfa-gwu-edu.spf.smtp25.com include:e2ma.net include:_spf.paubox.com include:spf.registeredsite.com include:usb._netblocks.mimecast.com ~all
- google-site-verification=9Q65EDkQ1V_qcNZX6NS1eezpkWXXxHgn1_jI835o6CM
- cisco-ci-domain-verification=2654db756c35f5b8305f2f04e2ee2810bc2d425104ab2e3bc0626755918f6d10
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