Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
maddoxheating.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 13:47:00 UTC · ↺ Refresh
MX Hostnames
- maddoxheating-com.mail.protection.outlook.com
MX Priorities
- maddoxheating-com.mail.protection.outlook.com: 0
A / AAAA Records
- 216.239.38.21 ↩ any-in-2615.1e100.net
- 216.239.32.21 ↩ any-in-2015.1e100.net
- 216.239.34.21
- 216.239.36.21
- 2001:4860:4802:32::15
- 2001:4860:4802:34::15
- 2001:4860:4802:36::15
- 2001:4860:4802:38::15
Mail Server IPs
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns71.domaincontrol.com dns.jomax.net 2020120500 28800 7200 604800 600
Primary NS (mname)
ns71.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2020120500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns72.domaincontrol.com
ns71.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:secureserver.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
3 records- SPFv=spf1 include:secureserver.net -all
- NETORGFT7308380.onmicrosoft.com
- google-site-verification=8mP8VQSwKI6BZYGIvDy4q0Yi-SIS-wSp5rPZuxCrWdQ
Full email verification for maddoxheating.com
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