Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
heatpipe.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 23:32:41 UTC · ↺ Refresh
MX Hostnames
- d317696a.ess.barracudanetworks.com
- d317696b.ess.barracudanetworks.com
MX Priorities
- d317696b.ess.barracudanetworks.com: 20
- d317696a.ess.barracudanetworks.com: 10
A / AAAA Records
- 104.19.208.28 (no PTR)
- 104.19.191.28 (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
luciana.ns.cloudflare.com dns.cloudflare.com 2399156431 10000 2400 604800 1800
Primary NS (mname)
luciana.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399156431
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
uriah.ns.cloudflare.com
luciana.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com include:cuda.aitinc.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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 detectedNo 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- onetrust-domain-verification=67f5aebf0ed84ff39248ad6abbd4d11d
- SPFv=spf1 include:spf.ess.barracudanetworks.com include:cuda.aitinc.com include:spf.protection.outlook.com -all
- MS=ms23445165
- knowbe4-site-verification=030aab3e911358a8194c7303a9ef18cb
Full email verification for heatpipe.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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