udiagtech.com

Valid Email Server
Domain Lookup › udiagtech.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
udiagtech.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-14 06:43:56 UTC · ↺ Refresh

MX Hostnames

  • mxw.mxhichina.com
  • mxn.mxhichina.com

MX Priorities

  • mxn.mxhichina.com: 5
  • mxw.mxhichina.com: 10

A / AAAA Records

  • 172.67.168.166 (no PTR)
  • 104.21.94.199 (no PTR)
  • 2606:4700:3033::ac43:a8a6 (no PTR)
  • 2606:4700:3035::6815:5ec7 (no PTR)

Mail Server IPs

  • 47.246.137.47 (no PTR)
  • 47.246.136.231 ↩ cz-clare.com
  • 47.246.99.195 ↩ reachsmartdwell.com

SOA Record

Raw SOA hadlee.ns.cloudflare.com dns.cloudflare.com 2397196236 10000 2400 604800 1800
Primary NS (mname)
hadlee.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397196236
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

hadlee.ns.cloudflare.com
nash.ns.cloudflare.com

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
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