Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
appoloheating.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 09:48:14 UTC · ↺ Refresh
MX Hostnames
- d62869a.ess.barracudanetworks.com
- d62869b.ess.barracudanetworks.com
MX Priorities
- d62869b.ess.barracudanetworks.com: 20
- d62869a.ess.barracudanetworks.com: 10
A / AAAA Records
- 160.153.0.186 ↩ 186.0.153.160.host.secureserver.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
ns21.domaincontrol.com dns.jomax.net 2025081104 28800 7200 604800 600
Primary NS (mname)
ns21.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025081104
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns22.domaincontrol.com
ns21.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:24.213.242.226/28 include:spf.protection.outlook.com include:secureserver.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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
✗ 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- SPFv=spf1 ip4:24.213.242.226/28 include:spf.protection.outlook.com include:secureserver.net -all
- v=verifydomain MS=3814821
- google-site-verification=mOR1pXCmD0wuvTNmfslCkf3o0i5wJl0xD7yLTWF9xo0
- google-site-verification=h-G6EQFR5_dD3ylRQaYaO6iujmaqj0Gkn_PDdhs-6ZU
Full email verification for appoloheating.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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