khfh.com

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
khfh.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-03 09:46:12 UTC · ↺ Refresh

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MX Hostnames

  • mx1-us.emailsecurity.app
  • mx2-us.emailsecurity.app

MX Priorities

  • mx1-us.emailsecurity.app: 0
  • mx2-us.emailsecurity.app: 0

A / AAAA Records

  • 108.160.155.103 ↩ server.bigblueinteractive.com

Mail Server IPs

  • 40.121.188.167 ↩ mx1-us.emailsecurity.app
  • 172.212.4.33 ↩ mx1-us.emailsecurity.app

SOA Record

Raw SOA ns1-32.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-32.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns2-32.azure-dns.net
ns3-32.azure-dns.org
ns4-32.azure-dns.info
ns1-32.azure-dns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:108.160.155.103 ip4:66.228.59.106 +a +mx
📊 DNS lookups: 3/10

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 73 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

2 records
  • SPFv=spf1 include:spf.protection.outlook.com ip4:108.160.155.103 ip4:66.228.59.106 +a +mx
  • apple-domain-verification=vwBNsmuB31UObkMr
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