kingdon.com

Valid Email Server
Domain Lookup › kingdon.com

Domain Overview

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

Checked via [email protected] · 2026-03-20 21:32:13 UTC · ↺ Refresh

MX Hostnames

  • mx2-us1.ppe-hosted.com
  • mx1-us1.ppe-hosted.com

MX Priorities

  • mx2-us1.ppe-hosted.com: 20
  • mx1-us1.ppe-hosted.com: 5

A / AAAA Records

  • 107.180.41.239 ↩ 239.41.180.107.host.secureserver.net

Mail Server IPs

  • 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
  • 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
  • 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
  • 148.163.129.50 ↩ mx1-us1.ppe-hosted.com

SOA Record

Raw SOA auth1.dns.cogentco.com dns.cogentco.com 2025121900 10800 3600 604800 600
Primary NS (mname)
auth1.dns.cogentco.com
Admin Email (rname)
dns@cogentco.com
Serial
2025121900
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

auth2.dns.cogentco.com
auth1.dns.cogentco.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:204.241.18.0/24 ip4:63.158.210.0/24 ip4:209.222.80.0/21 ip4:72.21.175.220/32 ip4:63.91.28.142/32 ip4:47.22.130.184/29 ip4:100.12.19.202 ip4:74.108.21.176/32 include:spfall.ecicloud.com include:clientspf.backstopsolutions.com include:secureserver.net include:spf.ess.barracudanetworks.com a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

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

6 records
  • qp2dvspmv8uv9junnngpse56eq
  • 9ulnb4bgre9kuo1amnhrlvhdct
  • ahmpl0hb61ff6pgp71mqchptv
  • SPFv=spf1 ip4:204.241.18.0/24 ip4:63.158.210.0/24 ip4:209.222.80.0/21 ip4:72.21.175.220/32 ip4:63.91.28.142/32 ip4:47.22.130.184/29 ip4:100.12.19.202 ip4:74.108.21.176/32 include:spfall.ecicloud.com include:clientspf.backstopsolutions.com include:secureserver.net include:spf.ess.barracudanetworks.com a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com -all
  • ppe-7d0b12cf2f32fabe073144619c511c927f544f47
  • apple-domain-verification=1jgx5jTde54ki6wK
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