Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
leokoenig.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 14:39:15 UTC · ↺ Refresh
MX Hostnames
- leokoenig-com.mail.protection.outlook.com
MX Priorities
- leokoenig-com.mail.protection.outlook.com: 0
A / AAAA Records
- 151.101.130.159 (no PTR)
Mail Server IPs
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns63.domaincontrol.com dns.jomax.net 2025021100 28800 7200 604800 600
Primary NS (mname)
ns63.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025021100
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns63.domaincontrol.com
ns64.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:leokoenig-com.spf.smtp25.com include:_spf.artlogic.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;adkim=r;aspf=r;fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:leokoenig-com.spf.smtp25.com include:_spf.artlogic.net -all
- DKjGceeM+avCftMv3XCCZQ==
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