southflorida.edu

Valid Email Server
Domain Lookup › southflorida.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
southflorida.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 23:05:59 UTC · ↺ Refresh

MX Hostnames

  • southflorida-edu.mail.protection.outlook.com

MX Priorities

  • southflorida-edu.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.153.195.192 (no PTR)

Mail Server IPs

  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1520.awsdns-62.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1520.awsdns-62.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-220.awsdns-27.com
ns-537.awsdns-03.net
ns-1520.awsdns-62.org
ns-1722.awsdns-23.co.uk

SPF Record

✓ Strict (-all)
v=spf1 ip4:67.238.66.44 ip4:67.238.66.31 ip4:209.10.16.209 include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.blackboardconnect.com include:_spf.alchemer.com include:mailgun.org include:spf.elluciancloud.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

13 records
  • tkf3fc5te358el4ebu6l177k31
  • SPFv=spf1 ip4:67.238.66.44 ip4:67.238.66.31 ip4:209.10.16.209 include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.blackboardconnect.com include:_spf.alchemer.com include:mailgun.org include:spf.elluciancloud.com -all
  • 3b0u73ae5s2i1d06eohh5vcdgm
  • 5totkttt7hemgcns6lu1u1t1ac
  • 68rmrt7l57org1a2f3dejsda6t
  • 77r2i1gotfa637io31agbhgqcn
  • 8c9flth13ibdppd5q2nko4teso
  • _qsys4kevbvna4luuzs5bc97ow4vpevk
  • d1m0p5pl23ancjqc3qgg2holnn
  • e1is4ng787er2hl0as202mvba5
  • hOAnyhSL7MAXxwi3SxjZPg+Kk2ZsAeHOXlD/9jFmqrpainnztwzixjogVIhxQZRxLNBuj758vKoNLuxGH9GTrQ==
  • kr2j94njtvvkn5m7il0vtqehte
  • ns75v6kngk4nip9mhptkhqp0gd
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 southflorida.edu

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits