ahau.edu.cn

Valid Email Server
Domain Lookup › ahau.edu.cn

Domain Overview

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

Checked via [email protected] · 2026-04-02 17:26:03 UTC · ↺ Refresh

MX Hostnames

  • smtp.ahau.edu.cn
  • mx-ahau-edu-cn.icoremail.net

MX Priorities

  • mx-ahau-edu-cn.icoremail.net: 5
  • smtp.ahau.edu.cn: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 152.32.185.215 ↩ ucloud-cmmxproxy.icoremail.net
  • 114.213.145.198 (no PTR)
  • 2001:250:5405:13::198 ↩ pop3.ahau.edu.cn

SOA Record

Raw SOA abc.ahau.edu.cn liukai.ahau.edu.cn 2020103904 300 600 7200 3600
Primary NS (mname)
abc.ahau.edu.cn
Admin Email (rname)
liukai@ahau.edu.cn
Serial
2020103904
Refresh
300s
Retry
600s
Expire
7200s
Minimum TTL
3600s

Nameservers (NS)

abc.ahau.edu.cn
efg.ahau.edu.cn

SPF Record

✓ Strict (-all)
v=spf1 ip4:114.213.145.198 ip6:2001:250:5405:13::198 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 ip4:114.213.145.198 ip6:2001:250:5405:13::198 include:spf.icoremail.net -all
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