jit.edu.cn

Valid Email Server
Domain Lookup › jit.edu.cn

Domain Overview

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

Checked via [email protected] · 2026-03-18 22:44:24 UTC · ↺ Refresh

MX Hostnames

  • mxmail.icoremail.net

MX Priorities

  • mxmail.icoremail.net: 10

A / AAAA Records

  • 122.96.140.208 (no PTR)

Mail Server IPs

  • 139.162.158.182 ↩ li1425-182.members.linode.com
  • 128.1.132.100 ↩ ucloud-mxproxy.icoremail.net
  • 89.168.78.125 ↩ org-mxproxy.icoremail.net
  • 165.154.163.126 ↩ ucloud-mxproxy.icoremail.net

SOA Record

Raw SOA ns.jit.edu.cn postmaster.jit.edu.cn 2026012304 28800 7200 604800 3600
Primary NS (mname)
ns.jit.edu.cn
Admin Email (rname)
postmaster@jit.edu.cn
Serial
2026012304
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns1.jit.edu.cn

SPF Record

✓ Strict (-all)
v=spf1 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 include:spf.icoremail.net -all
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