airnationalhvac.com

Valid Email Server
Domain Lookup › airnationalhvac.com

Domain Overview

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

Checked via [email protected] · 2026-03-30 15:41:14 UTC · ↺ Refresh

MX Hostnames

  • d250253b.ess.barracudanetworks.com
  • d250253a.ess.barracudanetworks.com

MX Priorities

  • d250253a.ess.barracudanetworks.com: 10
  • d250253b.ess.barracudanetworks.com: 20

A / AAAA Records

  • 184.154.215.138 ↩ chir200.websitehostserver.net

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 ns1.websitehostserver.net root.chir200.websitehostserver.net 2026033005 3600 1800 1209600 86400
Primary NS (mname)
ns1.websitehostserver.net
Admin Email (rname)
root@chir200.websitehostserver.net
Serial
2026033005
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns1.websitehostserver.net
ns2.websitehostserver.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:184.154.215.138 include:spf.websitehostserver.net ip4:69.175.95.50 a mx a:chi-node26.websitehostserver.net include:spf.ess.barracudanetworks.com ip4:69.175.95.50 include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 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
  • &quot
  • SPFv=spf1 ip4:184.154.215.138 include:spf.websitehostserver.net ip4:69.175.95.50 a mx a:chi-node26.websitehostserver.net include:spf.ess.barracudanetworks.com ip4:69.175.95.50 include:spf.protection.outlook.com -all
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