Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
heatingfusion.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 14:28:37 UTC · ↺ Refresh
MX Hostnames
- mail.heatingfusion.com
MX Priorities
- mail.heatingfusion.com: 10
A / AAAA Records
- 5.189.159.29 ↩ heatingfusion.com
Mail Server IPs
- 5.189.159.29 ↩ heatingfusion.com
SOA Record
Raw SOA
ns1.contabo.net hostmaster.contabo.de 1779200913 10800 3600 604800 3600
Primary NS (mname)
ns1.contabo.net
Admin Email (rname)
hostmaster@contabo.de
Serial
1779200913
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.contabo.net
ns3.contabo.net
ns1.contabo.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
default._domainkey
mail._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
1 record- SPFv=spf1 a mx ~all
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