er-kenntnis.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
er-kenntnis.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 15:16:44 UTC · ↺ Refresh

MX Hostnames

  • mx01.kundenserver.de
  • mx00.kundenserver.de
  • erkenntnis-de0e.mail.protection.outlook.com

MX Priorities

  • mx01.kundenserver.de: 21
  • mx00.kundenserver.de: 20
  • erkenntnis-de0e.mail.protection.outlook.com: 10

A / AAAA Records

  • 217.160.0.164
  • 2001:8d8:100f:f000::2d7

Mail Server IPs

  • 217.72.192.67 ↩ mx01.kundenserver.de
  • 212.227.15.41 ↩ mx00.kundenserver.de
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com

SOA Record

Raw SOA ns1042.ui-dns.org hostmaster.kundenserver.de 2017010300 28800 7200 604800 300
Primary NS (mname)
ns1042.ui-dns.org
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2017010300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1042.ui-dns.org
ns1042.ui-dns.biz
ns1042.ui-dns.de
ns1042.ui-dns.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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
  • MS=ms58402724
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