fredsheatingandair.com

Valid Email Server
Domain Lookup › fredsheatingandair.com

Domain Overview

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

Checked via [email protected] · 2026-03-26 04:06:40 UTC · ↺ Refresh

MX Hostnames

  • d336204b.ess.barracudanetworks.com
  • d336204a.ess.barracudanetworks.com

MX Priorities

  • d336204b.ess.barracudanetworks.com: 20
  • d336204a.ess.barracudanetworks.com: 10

A / AAAA Records

  • 151.101.130.159 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns53.worldnic.com namehost.worldnic.com 126012112 10800 3600 604800 3600
Primary NS (mname)
ns53.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126012112
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns54.worldnic.com
ns53.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 +ip4:66.185.18.237 +include:spf.protection.outlook.com +include:spf.ess.barracudanetworks.com +include:sendgrid.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

4 records
  • MS=ms89630157
  • 441b0d49f8c48078ef01248393a89109
  • sophos-domain-verification=a11350e1de4d00a265ca6be0ddb1522f354cb951
  • SPFv=spf1 +ip4:66.185.18.237 +include:spf.protection.outlook.com +include:spf.ess.barracudanetworks.com +include:sendgrid.net ~all
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