seu.edu.cn

Valid Email Server
Domain Lookup › seu.edu.cn

Domain Overview

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

Checked via [email protected] · 2026-07-27 18:07:55 UTC · ↺ Refresh

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MX Hostnames

  • hzmx01.mxmail.netease.com
  • hzmx02.mxmail.netease.com

MX Priorities

  • hzmx01.mxmail.netease.com: 5
  • hzmx02.mxmail.netease.com: 10

A / AAAA Records

  • 58.192.118.142 (no PTR)

Mail Server IPs

  • 47.90.150.166 (no PTR)
  • 47.253.119.154 (no PTR)

SOA Record

Raw SOA seic2.seu.edu.cn root.seic2.seu.edu.cn 2023103977 3600 1800 604800 3600
Primary NS (mname)
seic2.seu.edu.cn
Admin Email (rname)
root@seic2.seu.edu.cn
Serial
2023103977
Refresh
3600s
Retry
1800s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

seic8.seu.edu.cn
seic2.seu.edu.cn

SPF Record

✓ Strict (-all)
v=spf1 include:spf.163.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1; ruf=mailto:[email protected]; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • adobe-idp-site-verification=1cd313c6e46bd059f2ad7e3860019ed0254754c9d5cd2ed3b39c80ce8c0032dc
  • SPFv=spf1 include:spf.163.com -all
  • adobe-idp-site-verification=6bf324f0598aadd1d2cb15d8b7d1c089c2e840251fa2d7beebba7b29080a7abb
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