business.illinois.edu

Valid Email Server
Domain Lookup › business.illinois.edu

Domain Overview

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

Checked via [email protected] · 2026-03-20 12:18:02 UTC · ↺ Refresh

MX Hostnames

  • incoming-relays.illinois.edu

MX Priorities

  • incoming-relays.illinois.edu: 5

A / AAAA Records

  • 20.88.50.64 (no PTR)

Mail Server IPs

  • 148.163.135.28 ↩ mx0a-00007101.pphosted.com
  • 148.163.139.28 ↩ mx0b-00007101.pphosted.com

SOA Record

Raw SOA ipam1.techservices.illinois.edu dns-admin.illinois.edu 3191 3600 900 1209600 60
Primary NS (mname)
ipam1.techservices.illinois.edu
Admin Email (rname)
dns-admin@illinois.edu
Serial
3191
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
60s

Nameservers (NS)

dns2.illinois.edu
dns1.illinois.edu
dns3.illinois.edu

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ p=none
v=DMARC1;p=none;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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

2 records
  • sending_domain1030311=4d3353187133d117c060b6fce133369e9e4597c9bfab40899f910196f4334b2d
  • 3qbS2cDPxhql9Bc5haTanlSiJgS10kxh9RPOaVfEvqobBXapl5sFP14Y07etqaPGm8C6w+1N4mU84PKFM+lOQA==
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