niederrhein-therme.de

Valid Email Server
Domain Lookup › niederrhein-therme.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
niederrhein-therme.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 08:49:38 UTC · ↺ Refresh

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MX Hostnames

  • niederrheintherme-de02i.mail.protection.outlook.com

MX Priorities

  • niederrheintherme-de02i.mail.protection.outlook.com: 20

A / AAAA Records

  • 202.61.203.206 ↩ KBweb03.klarbit.de
  • 2a03:4000:5a:5a:4f4:87ff:fece:6a7f ↩ kbweb03.klarbit.de

Mail Server IPs

  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA shades20.rzone.de hostmaster.strato-rz.de 2021091138 86400 7200 604800 300
Primary NS (mname)
shades20.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2021091138
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

shades20.rzone.de
docks08.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:89.247.184.134 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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
  • SPFv=spf1 a mx ip4:89.247.184.134 include:spf.protection.outlook.com -all
  • MS=ms29369633
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