kleiber-co.de

Valid Email Server
Domain Lookup › kleiber-co.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kleiber-co.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 18:41:22 UTC · ↺ Refresh

MX Hostnames

  • kleiberco-de01i.mail.protection.outlook.com

MX Priorities

  • kleiberco-de01i.mail.protection.outlook.com: 20

A / AAAA Records

  • 144.76.52.30 ↩ k82s83.meinserver.io

Mail Server IPs

  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA docks18.rzone.de hostmaster.strato-rz.de 2020050751 86400 7200 604800 300
Primary NS (mname)
docks18.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050751
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

shades10.rzone.de
docks18.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 a include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:87.139.254.236 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 a include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:87.139.254.236 -all
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