nuit.edu.cn

Valid Email Server
Domain Lookup › nuit.edu.cn

Domain Overview

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

Checked via [email protected] · 2026-03-21 18:19:08 UTC · ↺ Refresh

MX Hostnames

  • mxbiz2.qq.com
  • mxbiz1.qq.com

MX Priorities

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

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

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

SOA Record

Raw SOA ns1.nuit.edu.cn hostmaster.nuit.edu.cn 1768186473 10800 3600 604800 86400
Primary NS (mname)
ns1.nuit.edu.cn
Admin Email (rname)
hostmaster@nuit.edu.cn
Serial
1768186473
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns3.nuit.edu.cn
ns2.nuit.edu.cn
ns4.nuit.edu.cn
ns1.nuit.edu.cn

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.mail.qq.com ~all
📊 DNS lookups: 1/10
~ 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=spf1 include:spf.mail.qq.com ~all
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