udngroup.com

Valid Email Server

Domain Overview

DNS: ✓ 9h ago Checker: ✓ 9h ago
udngroup.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-02 11:11:17 UTC · ↺ Refresh

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MX Hostnames

  • mx1.udngroup.com
  • mx3.udngroup.com
  • mx2.udngroup.com
  • mx4.udngroup.com

MX Priorities

  • mx2.udngroup.com: 5
  • mx4.udngroup.com: 10
  • mx1.udngroup.com: 5
  • mx3.udngroup.com: 10

A / AAAA Records

  • 122.147.2.70 ↩ 122-147-2-70.static.sparqnet.net

Mail Server IPs

  • 122.147.2.91 ↩ mx2.udngroup.com
  • 124.9.11.69 ↩ mx4.udngroup.com
  • 61.220.137.27 ↩ mx1.udngroup.com
  • 59.124.117.69 ↩ mx3.udngroup.com

SOA Record

Raw SOA ns1.udngroup.com sp.udngroup.com.tw 2026060202 10800 900 604800 86400
Primary NS (mname)
ns1.udngroup.com
Admin Email (rname)
sp@udngroup.com.tw
Serial
2026060202
Refresh
10800s
Retry
900s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns3.udngroup.com
ns2.udngroup.com
ns1.udngroup.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:61.220.137.27 ip4:122.147.2.91 ip4:59.124.117.69 ip4:124.9.11.69 ip4:211.20.177.100 ip4:210.243.166.146 ip4:210.243.166.157 ip4:210.243.166.162 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • SPFv=spf1 ip4:61.220.137.27 ip4:122.147.2.91 ip4:59.124.117.69 ip4:124.9.11.69 ip4:211.20.177.100 ip4:210.243.166.146 ip4:210.243.166.157 ip4:210.243.166.162 ~all
  • 5f327c1aace38cd868d55cbba46dacab7e470d3d9dfbd8cd39bc7356e6ec6b6
  • google-site-verification=5iJ3-mckvMBM36XTZL_mH4hWOy8j66fTcGQpOHr5C_Y
  • MS=F81891048307C6AEECA93F36AC0D437A89F57CA4
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