cqu.edu.cn

Valid Email Server
Domain Lookup › cqu.edu.cn

Domain Overview

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

Checked via [email protected] · 2026-03-29 20:06:31 UTC · ↺ Refresh

MX Hostnames

  • mail.cqu.edu.cn
  • mx.cqu.edu.cn

MX Priorities

  • mail.cqu.edu.cn: 10
  • mx.cqu.edu.cn: 5

A / AAAA Records

  • 202.202.2.6 ↩ cxsj.cqu.edu.cn

Mail Server IPs

  • 202.202.0.26 ↩ smtp.cqu.edu.cn
  • 202.202.0.36 ↩ stu.cqu.edu.cn
  • 2001:da8:c800:1012::26 ↩ cernet2.net
  • 2001:da8:c800:1012::36 ↩ cernet2.net

SOA Record

Raw SOA ns.cqu.edu.cn postmaster.cqu.edu.cn 2026032301 28800 7200 604800 3600
Primary NS (mname)
ns.cqu.edu.cn
Admin Email (rname)
postmaster@cqu.edu.cn
Serial
2026032301
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

secdns.cqu.edu.cn
pridns.cqu.edu.cn

SPF Record

✓ Strict (-all)
v=spf1 ip4:202.202.0.36 ip4:202.202.0.26 ip4:222.178.10.26 ip4:222.178.10.36 ip6:2001:DA8:C800:1012::26 ip6:2001:DA8:C800:1012::36 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

3 records
  • SPFv=spf1 ip4:202.202.0.36 ip4:202.202.0.26 ip4:222.178.10.26 ip4:222.178.10.36 ip6:2001:DA8:C800:1012::26 ip6:2001:DA8:C800:1012::36 include:spf.icoremail.net -all
  • 8fh4w1lsqywfhd97zc97v6k7xfbk9f2m
  • MS=ms89434954
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