scu.edu.cn

Valid Email Server
Domain Lookup › scu.edu.cn

Domain Overview

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

Checked via [email protected] · 2026-03-20 21:46:23 UTC · ↺ Refresh

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MX Hostnames

  • mx-scu-edu-cn.icoremail.net
  • mail.scu.edu.cn
  • mailgw.scu.edu.cn

MX Priorities

  • mx-scu-edu-cn.icoremail.net: 3
  • mail.scu.edu.cn: 50
  • mailgw.scu.edu.cn: 5

A / AAAA Records

  • 202.115.32.43 ↩ sw.scu.edu.cn
  • 2001:250:2003::43 (no PTR)

Mail Server IPs

  • 165.154.206.37 ↩ ucloud-cmmxproxy.icoremail.net
  • 152.32.234.63 ↩ ucloud-cmmxproxy.icoremail.net
  • 152.32.185.215 ↩ ucloud-cmmxproxy.icoremail.net
  • 202.115.35.227 ↩ mail.scu.edu.cn
  • 2001:250:2003:2::ca73:23e3 (no PTR)
  • 202.115.32.229 (no PTR)

SOA Record

Raw SOA dart.scu.edu.cn root\@scu.edu.cn 2024110335 1200 1200 1209600 600
Primary NS (mname)
dart.scu.edu.cn
Admin Email (rname)
root\@scu@edu.cn
Serial
2024110335
Refresh
1200s
Retry
1200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

secdns.scu.edu.cn
dart.scu.edu.cn

SPF Record

✓ Strict (-all)
v=spf1 ip4:202.115.35.227 ip4:202.115.35.229 ip4:202.115.35.228 include:spf.icoremail.net -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

1 record
  • SPFv=spf1 ip4:202.115.35.227 ip4:202.115.35.229 ip4:202.115.35.228 include:spf.icoremail.net -all
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