Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
heatplex.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 17:43:58 UTC · ↺ Refresh
MX Hostnames
- heatplex-com.mail.protection.outlook.com
MX Priorities
- heatplex-com.mail.protection.outlook.com: 0
A / AAAA Records
- 216.150.1.1 (no PTR)
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.siteground.net admins.siteground.com 177 86400 7200 3600000 86400
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
admins@siteground.com
Serial
177
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2.siteground.net
ns1.siteground.net
SPF Record
✓ Strict (-all)
v=spf1 include:secureserver.net include:heatplex.com.spf.auto.dnssmarthost.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; aspf=r; adkim=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 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
3 records- google-site-verification=937tXCvPJFcFCnenkiMvA8trflgZLvBs5YLMJ2NI470
- NETORGFT1138737.onmicrosoft.com
- SPFv=spf1 include:secureserver.net include:heatplex.com.spf.auto.dnssmarthost.net -all
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