niit.edu.cn

Valid Email Server
Domain Lookup › niit.edu.cn

Domain Overview

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

Checked via [email protected] · 2026-03-14 01:37:01 UTC · ↺ Refresh

MX Hostnames

  • mxw.263.net
  • mx.263.net

MX Priorities

  • mx.263.net: 10
  • mxw.263.net: 5

A / AAAA Records

  • 221.226.155.60 (no PTR)

Mail Server IPs

  • 164.92.126.242 (no PTR)
  • 38.83.106.85 ↩ us-mx2.263.net
  • 143.110.227.31 (no PTR)
  • 38.83.106.84 ↩ us-mx1.263.net

SOA Record

Raw SOA jdxx.niit.edu.cn master.niit.edu.cn 2012142931 120 120 28800 300
Primary NS (mname)
jdxx.niit.edu.cn
Admin Email (rname)
master@niit.edu.cn
Serial
2012142931
Refresh
120s
Retry
120s
Expire
28800s
Minimum TTL
300s

Nameservers (NS)

jdxx.niit.edu.cn
jdxy.niit.edu.cn

SPF Record

✓ Soft Fail (~all)
v=spf1include:spf.263xmail.com~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate 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=spf1include:spf.263xmail.com~all
  • SPFv=spf1 include:spf.263.net -all
  • 5c91cd7bd403632e32e77a0be9486d66329822b1b6c5e351fc558b754b598a03
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