leanobjects.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
leanobjects.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 09:00:38 UTC · ↺ Refresh

MX Hostnames

  • mx00.kundenserver.de
  • leanobjects-de.mail.protection.outlook.com
  • mx01.kundenserver.de

MX Priorities

  • mx00.kundenserver.de: 11
  • leanobjects-de.mail.protection.outlook.com: 1
  • mx01.kundenserver.de: 12

A / AAAA Records

  • 217.160.0.16
  • 2001:8d8:100f:f000::2ff

Mail Server IPs

  • 212.227.15.41 ↩ mx00.kundenserver.de
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 217.72.192.67 ↩ mx01.kundenserver.de

SOA Record

Raw SOA ns1017.ui-dns.org hostmaster.kundenserver.de 2016042800 28800 7200 604800 300
Primary NS (mname)
ns1017.ui-dns.org
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2016042800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1017.ui-dns.org
ns1017.ui-dns.com
ns1017.ui-dns.biz
ns1017.ui-dns.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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 include:spf.protection.outlook.com -all
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