niedermaier.biz

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
niedermaier.biz
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 08:53:33 UTC · ↺ Refresh

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MX Hostnames

  • mx00.kundenserver.de
  • mx01.kundenserver.de
  • niedermaier-biz.mail.protection.outlook.com

MX Priorities

  • mx00.kundenserver.de: 10
  • niedermaier-biz.mail.protection.outlook.com: 0
  • mx01.kundenserver.de: 11

A / AAAA Records

  • 85.13.144.201

Mail Server IPs

  • 212.227.15.41 ↩ mx00.kundenserver.de
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 217.72.192.67 ↩ mx01.kundenserver.de

SOA Record

Raw SOA ns1077.ui-dns.de hostmaster.1und1.de 2016042039 28800 7200 604800 300
Primary NS (mname)
ns1077.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2016042039
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1077.ui-dns.biz
ns1077.ui-dns.org
ns1077.ui-dns.de
ns1077.ui-dns.com

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

2 records
  • v=verifydomain MS=6371682
  • SPFv=spf1 include:spf.protection.outlook.com -all
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