htfdtx.com

Valid Email Server
Domain Lookup › htfdtx.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 19:49:04 UTC · ↺ Refresh

MX Hostnames

  • mx-cluster-usa01.hornetsecurity.com
  • mx-cluster-usa04.hornetsecurity.com
  • mx-cluster-usa03.hornetsecurity.com
  • mx-cluster-usa02.hornetsecurity.com

MX Priorities

  • mx-cluster-usa03.hornetsecurity.com: 30
  • mx-cluster-usa04.hornetsecurity.com: 40
  • mx-cluster-usa01.hornetsecurity.com: 10
  • mx-cluster-usa02.hornetsecurity.com: 20

A / AAAA Records

  • 198.185.159.145 (no PTR)
  • 198.49.23.144 (no PTR)
  • 198.49.23.145 (no PTR)
  • 198.185.159.144 (no PTR)

Mail Server IPs

  • 173.45.18.100 ↩ hsmx01-hz5.hornetsecurity.com

SOA Record

Raw SOA ns29.domaincontrol.com dns.jomax.net 2025090300 28800 7200 604800 600
Primary NS (mname)
ns29.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025090300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns30.domaincontrol.com
ns29.domaincontrol.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

1 record
  • @ v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com -all
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