Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kleffmann.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 01:50:32 UTC · ↺ Refresh
MX Hostnames
- kleffmann-com.mail.protection.outlook.com
MX Priorities
- kleffmann-com.mail.protection.outlook.com: 1
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-eu.123ns.eu hostmaster.123ns.eu 2025010600 86400 7200 3600000 86400
Primary NS (mname)
ns1-eu.123ns.eu
Admin Email (rname)
hostmaster@123ns.eu
Serial
2025010600
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1-eu.123ns.eu
ns2-eu.123ns.de
ns3-eu.123ns.eu
ns4-eu.123ns.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.crsend.com include:spf.qb-feedback.com include:_spf.tivian.com include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
s1._domainkey
✓ Public key: 392 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 mx include:spf.crsend.com include:spf.qb-feedback.com include:_spf.tivian.com include:spf.protection.outlook.com -all
- MS=ms51045295
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