Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fdu.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 04:36:45 UTC · ↺ Refresh
MX Hostnames
- fdu-edu.mail.protection.outlook.com
MX Priorities
- fdu-edu.mail.protection.outlook.com: 1
A / AAAA Records
- 23.185.0.1 (no PTR)
Mail Server IPs
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
SOA Record
Raw SOA
wizard.fdu.edu postmaster.fdu.edu 734759 900 300 3600000 720
Primary NS (mname)
wizard.fdu.edu
Admin Email (rname)
postmaster@fdu.edu
Serial
734759
Refresh
900s
Retry
300s
Expire
3600000s
Minimum TTL
720s
Nameservers (NS)
oracle.fdu.edu
wizard.fdu.edu
merlin.fdu.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:ne16.com ip4:132.238.3.130 ip4:132.238.3.117 include:_spf.google.com exists:%{i}._spf.mta.salesforce.com include:sparkpostmail.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._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
16 records- cisco-ci-domain-verification=541aa3df84c9a3f067e39641124d9718ef92aa72e42b31aa82bf9e63f85151ff
- dell-technologies-domain-verification=fdu.edu_1201b685-35f4-4561-8013-00a9f73397f9_1759702298
- have-i-been-pwned-verification=c39af0cdba6a0adcbe7e9ee33adb150a
- iOS-enroll=https://landesk-csa.fdu.edu/rtc/landesk-cs/MDM/api/v1/enroll/IosEnroll
- site24x7-signals-domain-verification=85bae228f23dc089a5b6d6cb11927626
- autodesk-domain-verification=Pl_FJLWj4W2nm4uYJAVK
- apple-domain-verification=lH9fB05us1HQfTqI
- sophos-domain-verification=562f4e1eeff2c5bce0abf3efcd950e4304e01e1c6c396ed1cff5cf3441f031b7
- Foxit-domain-verification=592458e9eda54bff1e00ac31582566e6
- atlassian-domain-verification=w3birC0rCcWzO/ihbgNKaAcoTaKomzMTRTdXGm7s2IfGZwMkNWpSLPtUw8OSxlaG
- site24x7-domain-verification=85bae228f23dc089a5b6d6cb11927626
- adobe-idp-site-verification=c90aa9dfc3ea6484e0556ebee29a9859aa79d4cd605a8cded51f5ece5abf58ef
- SPFv=spf1 include:spf.protection.outlook.com include:ne16.com ip4:132.238.3.130 ip4:132.238.3.117 include:_spf.google.com exists:%{i}._spf.mta.salesforce.com include:sparkpostmail.com ~all
- jamf-site-verification=T-kTMMznSZiGx_9jTS7ZEQ
- virtru-site-verify=ADfFigteBtye9Y4Jsd9W72kjZ2s6F9sBQjmC3qa7
- parallels-domain-verification=a3f1acd1f725439ca46408887d0b2734f5f73488b5604d41bc59072cfb1ac83d
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for fdu.edu
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits