horizonmechanical.com

Valid Email Server
Domain Lookup › horizonmechanical.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
horizonmechanical.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 07:20:24 UTC · ↺ Refresh

MX Hostnames

  • d305349b.ess.barracudanetworks.com
  • d305349a.ess.barracudanetworks.com

MX Priorities

  • d305349b.ess.barracudanetworks.com: 10
  • d305349a.ess.barracudanetworks.com: 0

A / AAAA Records

  • 15.197.225.128 ↩ aec037177372cc6cd.awsglobalaccelerator.com
  • 3.33.251.168 ↩ aec037177372cc6cd.awsglobalaccelerator.com

Mail Server IPs

  • 209.222.82.252 ↩ mail.ess.barracuda.com
  • 209.222.82.253 ↩ mail.ess.barracuda.com
  • 209.222.82.255 ↩ mail.ess.barracuda.com

SOA Record

Raw SOA ns33.domaincontrol.com dns.jomax.net 2026030201 28800 7200 604800 600
Primary NS (mname)
ns33.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026030201
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns34.domaincontrol.com
ns33.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for horizonmechanical.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits