tc.umn.edu

Valid Email Server
Domain Lookup › tc.umn.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tc.umn.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-20 19:03:35 UTC · ↺ Refresh

MX Hostnames

  • mx-wb.umn.edu
  • mx-eb.umn.edu

MX Priorities

  • mx-wb.umn.edu: 10
  • mx-eb.umn.edu: 10

A / AAAA Records

  • 134.84.223.68

Mail Server IPs

  • 134.84.196.211 ↩ mta-p11.oit.umn.edu
  • 134.84.196.213 ↩ mta-p13.oit.umn.edu
  • 134.84.196.217 ↩ mta-p17.oit.umn.edu
  • 134.84.196.209 ↩ mta-p9.oit.umn.edu
  • 134.84.196.215 ↩ mta-p15.oit.umn.edu
  • 134.84.196.212 ↩ mta-p12.oit.umn.edu
  • 134.84.196.210 ↩ mta-p10.oit.umn.edu
  • 134.84.196.218 ↩ mta-p18.oit.umn.edu
  • 134.84.196.216 ↩ mta-p16.oit.umn.edu
  • 134.84.196.214 ↩ mta-p14.oit.umn.edu

SOA Record

Raw SOA ns-1.umn.edu hostmaster.umn.edu 7435 10800 3600 2592000 900
Primary NS (mname)
ns-1.umn.edu
Admin Email (rname)
hostmaster@umn.edu
Serial
7435
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
900s

Nameservers (NS)

ns-2.umn.edu
ns-1.umn.edu
ns-3.umn.edu

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:servers.mcsv.net include:_spf.umn.edu ?all
📊 DNS lookups: 3/10
? Neutral (?all) — no enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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:_spf.google.com include:servers.mcsv.net include:_spf.umn.edu ?all
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