wtu.edu.cn

Valid Email Server
Domain Lookup › wtu.edu.cn

Domain Overview

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

Checked via [email protected] · 2026-03-17 18:21:37 UTC · ↺ Refresh

MX Hostnames

  • mxbiz1.qq.com
  • mxbiz2.qq.com

MX Priorities

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

A / AAAA Records

  • 2001:da8:3004:1::2 ↩ cernet2.net

Mail Server IPs

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

SOA Record

Raw SOA dns.wtu.edu.cn master.wtu.edu.cn 2410101441 300 600 360000000 7200
Primary NS (mname)
dns.wtu.edu.cn
Admin Email (rname)
master@wtu.edu.cn
Serial
2410101441
Refresh
300s
Retry
600s
Expire
360000000s
Minimum TTL
7200s

Nameservers (NS)

dns2.wtu.edu.cn
dns.wtu.edu.cn

SPF Record

✓ Strict (-all)
v=spf1 ip4:211.67.48.1 ip6:2001:da8:3004:1::a1 include:spf.mail.qq.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=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 ip4:211.67.48.1 ip6:2001:da8:3004:1::a1 include:spf.mail.qq.com -all
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