s.nbufe.edu.cn

Valid Email Server
Domain Lookup › s.nbufe.edu.cn

Domain Overview

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

Checked via [email protected] · 2026-03-14 06:28:08 UTC · ↺ Refresh

MX Hostnames

  • mx3.qiye.aliyun.com
  • mx2.qiye.aliyun.com
  • mx1.qiye.aliyun.com

MX Priorities

  • mx2.qiye.aliyun.com: 10
  • mx1.qiye.aliyun.com: 5
  • mx3.qiye.aliyun.com: 15

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 47.246.136.231 ↩ wevolt.tech
  • 47.246.137.47 (no PTR)

SOA Record

Raw SOA dns1.s.nbufe.edu.cn root.s.nbufe.edu.cn 20080655 28800 900 604800 86400
Primary NS (mname)
dns1.s.nbufe.edu.cn
Admin Email (rname)
root@s.nbufe.edu.cn
Serial
20080655
Refresh
28800s
Retry
900s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dns1.s.nbufe.edu.cn

SPF Record

✓ Strict (-all)
v=spf1 include:spf.qiye.aliyun.com -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.qiye.aliyun.com -all
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for s.nbufe.edu.cn

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits