shu.edu.cn

Valid Email Server
Domain Lookup › shu.edu.cn
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
shu.edu.cn
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-28 22:06:15 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • mx-shu-edu-cn.icoremail.net
  • newmail.shu.edu.cn

MX Priorities

  • mx-shu-edu-cn.icoremail.net: 5
  • newmail.shu.edu.cn: 10

A / AAAA Records

  • 202.120.127.220 (no PTR)

Mail Server IPs

  • 152.32.185.215 ↩ ucloud-cmmxproxy.icoremail.net
  • 152.32.234.63 ↩ ucloud-cmmxproxy.icoremail.net
  • 202.120.126.66 (no PTR)

SOA Record

Raw SOA ns.shu.edu.cn postmaster.shu.edu.cn 2026072001 28800 7200 604800 3600
Primary NS (mname)
ns.shu.edu.cn
Admin Email (rname)
postmaster@shu.edu.cn
Serial
2026072001
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns.shu.edu.cn
dns2.shu.edu.cn

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:202.120.127.0/24 ip4:202.120.126.0/24 ip4:202.120.115.0/24 ip4:202.66.31.37 ip4:202.66.31.34 include:spf.icoremail.net -all
📊 DNS lookups: 2/10
✓ 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

5 records
  • adobe-idp-site-verification=2e9b7f6d2b70e60347f6ddcb733b2e9aff3275cb675e494d8f111469a521cbbd
  • SPFv=spf1 mx ip4:202.120.127.0/24 ip4:202.120.126.0/24 ip4:202.120.115.0/24 ip4:202.66.31.37 ip4:202.66.31.34 include:spf.icoremail.net -all
  • lgb7rz7pf5vqxy82l6p54ncfb3dmzms7
  • 499nvgkzvqkkrjfb0v3f3bxg7dwdf06q
  • t3bJwf0fWPk
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for shu.edu.cn

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits