kreuser-jansen.de

Valid Email Server
Domain Lookup › kreuser-jansen.de

Domain Overview

DNS: ✓ 3d ago Checker: ✓ 3d ago
kreuser-jansen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-18 03:14:33 UTC · ↺ Refresh

MX Hostnames

  • mail1.wallraff.de
  • mail3.wallraff.de

MX Priorities

  • mail3.wallraff.de: 20
  • mail1.wallraff.de: 10

A / AAAA Records

  • 212.102.231.195 ↩ cc0195.oberberg.net

Mail Server IPs

  • 213.168.125.133 ↩ mail3.wallraff.de
  • 213.168.125.132 ↩ mail1.wallraff.de

SOA Record

Raw SOA ns1.nameserver.de dnsmaster.ns1.nameserver.de 2026043001 86400 3600 604800 86400
Primary NS (mname)
ns1.nameserver.de
Admin Email (rname)
dnsmaster@ns1.nameserver.de
Serial
2026043001
Refresh
86400s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns1.nameserver.de
ns2.nameserver.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com mx include:_spf.geneon.de ip4:87.191.147.111 ip4:185.68.136.5 ip4:185.68.136.13 ip4:185.68.136.93 ip4:185.68.136.12 ip4:185.68.137.2 a:www.elektro-online.de ip4:213.168.125.132 ip4:213.168.125.133 a:mail1.wallraff.de a:mail3.wallraff.de -all
📊 DNS lookups: 6/10
✓ 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

3 records
  • SPFv=spf1 include:spf.protection.outlook.com mx include:_spf.geneon.de ip4:87.191.147.111 ip4:185.68.136.5 ip4:185.68.136.13 ip4:185.68.136.93 ip4:185.68.136.12 ip4:185.68.137.2 a:www.elektro-online.de ip4:213.168.125.132 ip4:213.168.125.133 a:mail1.wallraff.de a:mail3.wallraff.de -all
  • MS=CEB0A776F06CD75A29511459998C890E72FB7FD7
  • MS=ms72251091
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