cqjtu.edu.cn

Valid Email Server
Domain Lookup › cqjtu.edu.cn

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cqjtu.edu.cn
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 05:22:24 UTC · ↺ Refresh

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MX Hostnames

  • mxbiz1.qq.com
  • mxbiz2.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)
  • 43.154.252.202 (no PTR)
  • 43.154.252.16 (no PTR)

SOA Record

Raw SOA dns1.cqjtu.edu.cn support.wodcloud.cn 20240851 28800 7200 604800 3600
Primary NS (mname)
dns1.cqjtu.edu.cn
Admin Email (rname)
support@wodcloud.cn
Serial
20240851
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns1.cqjtu.edu.cn
dns2.cqjtu.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

4 records
  • 157e79a2401077769a06cae3571267a41784ff63e9917a21523ba852c6d39e29
  • npr5twjt5z3xxxlz8y7ng5htq3y7kthy
  • SPFv=spf1 include:spf.mail.qq.com ~all
  • MS=E93CE3B232F72353FD13FEAFA03DA2989E86CD0E
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