stu.edu.cn

Valid Email Server
Domain Lookup › stu.edu.cn

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
stu.edu.cn
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-27 20:58:14 UTC · ↺ Refresh

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MX Hostnames

  • stu-edu-cn.mail.protection.partner.outlook.cn

MX Priorities

  • stu-edu-cn.mail.protection.partner.outlook.cn: 5

A / AAAA Records

  • 192.168.20.6 (no PTR)
  • 2001:250:3003:20::2 (no PTR)

Mail Server IPs

No IPs resolved.

SOA Record

Raw SOA stucc.stu.edu.cn support.stu.edu.cn 2026063001 300 10800 604800 14400
Primary NS (mname)
stucc.stu.edu.cn
Admin Email (rname)
support@stu.edu.cn
Serial
2026063001
Refresh
300s
Retry
10800s
Expire
604800s
Minimum TTL
14400s

Nameservers (NS)

dns1.stu.edu.cn

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.partner.outlook.cn -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
  • SPFv=spf1 include:spf.protection.partner.outlook.cn -all
  • code_kingsoft=8FWB3qQaQ4pozVURTjKe5
  • SPFv=spf1 include:spf-a.ksomail.com include:spf-b.ksomail.com include:spf.protection.partner.outlook.cn -all
  • c418c9fd34bbf10a996c0faab14be4bede1c0e91369ae8efc5d875b829906f28
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