cas.usf.edu

Valid Email Server
Domain Lookup › cas.usf.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cas.usf.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-22 23:13:47 UTC · ↺ Refresh

MX Hostnames

  • cas-usf-edu.mail.protection.outlook.com

MX Priorities

  • cas-usf-edu.mail.protection.outlook.com: 10

A / AAAA Records

  • 131.247.250.74 (no PTR)

Mail Server IPs

  • 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA mother.usf.edu postmaster.mother.usf.edu 1315881938 10800 3600 604800 300
Primary NS (mname)
mother.usf.edu
Admin Email (rname)
postmaster@mother.usf.edu
Serial
1315881938
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

mother.usf.edu
ziggy.usf.edu

SPF Record

✓ Strict (-all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

1 record
  • SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email -all
Full email verification for cas.usf.edu

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits