Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
highperformanceheating.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 09:08:50 UTC · ↺ Refresh
MX Hostnames
- highperformanceheating-com.mail.protection.outlook.com
MX Priorities
- highperformanceheating-com.mail.protection.outlook.com: 0
A / AAAA Records
- 160.153.0.29 ↩ 29.0.153.160.host.secureserver.net
Mail Server IPs
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-07.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-07.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-07.azure-dns.net
ns3-07.azure-dns.org
ns4-07.azure-dns.info
ns1-07.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:45.40.145.212 ip4:34.233.178.65 ip4:34.195.1.189 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 ip4:45.40.145.212 ip4:34.233.178.65 ip4:34.195.1.189 include:spf.protection.outlook.com -all
- google-site-verification=EcEhqNJs1kVnaBnxuTBOy1nfqoO4EwTaU0ntLyLWsBw
- apple-domain-verification=BPSMUNifzbg0EvCL
- google-site-verification=7s2h0eNu2OOgwszdgfFPbgbGbfuy1yxeKga8XGch6bk
- MS=ms48502684
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