imut.edu.cn

Valid Email Server
Domain Lookup › imut.edu.cn

Domain Overview

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

Checked via [email protected] · 2026-03-23 05:50:20 UTC · ↺ Refresh

MX Hostnames

  • mxbiz1.qq.com
  • mxbiz2.qq.com

MX Priorities

  • mxbiz2.qq.com: 10
  • mxbiz1.qq.com: 5

A / AAAA Records

  • 202.207.21.189 (no PTR)
  • 202.207.21.188 (no PTR)
  • 2001:250:e01:102::2 ↩ v6.cernet.net
  • 2001:250:e01:102::3 ↩ v6.cernet.net

Mail Server IPs

  • 43.154.252.16 (no PTR)
  • 43.154.252.202 (no PTR)
  • 103.86.78.3 (no PTR)
  • 103.86.78.2 (no PTR)

SOA Record

Raw SOA ns0.imut.edu.cn root.imut.edu.cn 2022042010 3600 300 86400 3600
Primary NS (mname)
ns0.imut.edu.cn
Admin Email (rname)
root@imut.edu.cn
Serial
2022042010
Refresh
3600s
Retry
300s
Expire
86400s
Minimum TTL
3600s

Nameservers (NS)

ns1.imut.edu.cn
ns0.imut.edu.cn

SPF Record

✓ Soft Fail (~all)
v=spf1include:spf.mail.qq.com~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate 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=spf1include:spf.mail.qq.com~all
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