Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gsbheating.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 23:13:58 UTC · ↺ Refresh
MX Hostnames
- mail.gsbheating.com
MX Priorities
- mail.gsbheating.com: 0
A / AAAA Records
- 107.180.56.151 ↩ 151.56.180.107.host.secureserver.net
Mail Server IPs
- 107.180.56.151 ↩ 151.56.180.107.host.secureserver.net
SOA Record
Raw SOA
ns55.domaincontrol.com dns.jomax.net 2022101000 28800 7200 604800 600
Primary NS (mname)
ns55.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2022101000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns56.domaincontrol.com
ns55.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ptr include:secureserver.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
1 record- SPFv=spf1 a mx ptr include:secureserver.net ~all
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