korthaseflinn.com

Valid Email Server
Domain Lookup › korthaseflinn.com

Domain Overview

DNS: ✓ 18h ago Checker: ✓ 18h ago
korthaseflinn.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-02 02:07:05 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • mx2-us1.ppe-hosted.com: 5
  • mx1-us1.ppe-hosted.com: 0

A / AAAA Records

  • 151.101.66.159 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA cheryl.ns.cloudflare.com dns.cloudflare.com 2404030800 10000 2400 604800 1800
Primary NS (mname)
cheryl.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404030800
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

trey.ns.cloudflare.com
cheryl.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:67.59.57.98 include:sendgrid.net include:spf.protection.outlook.com include:korthaseflinn-com.spf.smtp25.com ip4:208.75.120.0/22 ip4:205.207.104.0/22 a:dispatch-us.ppe-hosted.com ip4:67.59.57.98 include:spf.exclaimer.net include:u28608668.wl169.sendgrid.net include:_spf1.mailgun.org include:_spf2.mailgun.org include:_spf.eu.mailgun.org ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 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

7 records
  • MS=ms66751280
  • knowbe4-site-verification=946f6a9bfbfe9f78ef2c77ca509faae8
  • ppe-9a1bc720d0ab87f224fec54401a7a9ccf56e1a3b
  • SPFv=spf1 ip4:67.59.57.98 include:sendgrid.net include:spf.protection.outlook.com include:korthaseflinn-com.spf.smtp25.com ip4:208.75.120.0/22 ip4:205.207.104.0/22 a:dispatch-us.ppe-hosted.com ip4:67.59.57.98 include:spf.exclaimer.net include:u28608668.wl169.sendgrid.net include:_spf1.mailgun.org include:_spf2.mailgun.org include:_spf.eu.mailgun.org ~all
  • 2A20EE9DCC2CUHDP4HSTR3TM5
  • 3EUqrlU0E0KjcqOvq4u4+A==
  • 886m3htqsbvtkmnenm4bn7l2j6
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