gdpt.edu.cn

Valid Email Server
Domain Lookup › gdpt.edu.cn

Domain Overview

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

Checked via [email protected] · 2026-05-19 15:10:41 UTC · ↺ Refresh

MX Hostnames

  • mxbiz1.qq.com
  • mxbiz2.qq.com

MX Priorities

  • mxbiz2.qq.com: 10
  • mxbiz1.qq.com: 5

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 43.154.252.202 (no PTR)
  • 43.154.252.16 (no PTR)
  • 103.86.78.2 (no PTR)
  • 103.86.78.3 (no PTR)

SOA Record

Raw SOA ns1.service.edu.cn servgd.cernet.com 2799065608 600 1800 604800 86400
Primary NS (mname)
ns1.service.edu.cn
Admin Email (rname)
servgd@cernet.com
Serial
2799065608
Refresh
600s
Retry
1800s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns1.service.edu.cn
ns2.service.edu.cn

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.mail.qq.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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.mail.qq.com ~all
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