Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
atempheating.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 13:07:40 UTC · ↺ Refresh
MX Hostnames
- atempheating-com.mail.protection.outlook.com
MX Priorities
- atempheating-com.mail.protection.outlook.com: 10
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
freedns1.registrar-servers.com hostmaster.registrar-servers.com 1767110448 43200 3600 604800 3601
Primary NS (mname)
freedns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1767110448
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
freedns4.registrar-servers.com
freedns1.registrar-servers.com
freedns5.registrar-servers.com
freedns2.registrar-servers.com
freedns3.registrar-servers.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx include:spf.protection.outlook.com include:sendgrid.net include:amazonses.com ip4:96.89.121.169 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +mx include:spf.protection.outlook.com include:sendgrid.net include:amazonses.com ip4:96.89.121.169 -all
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