unternehmen-online.de

Valid Email Server
Domain Lookup › unternehmen-online.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
unternehmen-online.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 00:35:51 UTC · ↺ Refresh

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MX Hostnames

  • mail04.unternehmen-online.de
  • mail05.unternehmen-online.de
  • mail.unternehmen-online.de
  • mail02.unternehmen-online.de

MX Priorities

  • mail04.unternehmen-online.de: 10
  • mail.unternehmen-online.de: 30
  • mail02.unternehmen-online.de: 100
  • mail05.unternehmen-online.de: 20

A / AAAA Records

  • 157.97.108.3 ↩ ip157-97-108-3.pbiaas.com

Mail Server IPs

  • 195.253.75.211 ↩ mail.unternehmen-online.de
  • 195.253.75.210 ↩ mail.unternehmen-online.de
  • 195.253.71.60 ↩ mail02.unternehmen-online.de
  • 195.253.4.99 ↩ mail05.unternehmen-online.de

SOA Record

Raw SOA ns2.knipp.de dnsmaster.irondns.net 2024032269 10800 3000 2419200 900
Primary NS (mname)
ns2.knipp.de
Admin Email (rname)
dnsmaster@irondns.net
Serial
2024032269
Refresh
10800s
Retry
3000s
Expire
2419200s
Minimum TTL
900s

Nameservers (NS)

ns2.knipp.de
ns17.knipp.net
ns3.knipp.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.mailjet.com mx mx:unternehmen-online.de -all
📊 DNS lookups: 3/10
✓ 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

4 records
  • _dmnzazj24v3cboj0hvgkr9yjrcrama4
  • _globalsign-domain-verification=zfY4_rROvudRIh_IvcCur4gAhNy6OW3LH5frtYkoqk
  • _8t6ldudx7l243jikzlwghrbjp4cacn6
  • SPFv=spf1 include:spf.mailjet.com mx mx:unternehmen-online.de -all
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