kosub-wt.de

Valid Email Server
Domain Lookup › kosub-wt.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kosub-wt.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 01:50:40 UTC · ↺ Refresh

MX Hostnames

  • mail.kosub-wt.de

MX Priorities

  • mail.kosub-wt.de: 10

A / AAAA Records

  • 46.4.28.57 ↩ server1131.dmsolutionsonline.de

Mail Server IPs

  • 46.4.28.57 ↩ server1131.dmsolutionsonline.de

SOA Record

Raw SOA ns1.dmsolutions.de hostmaster.internetwire.de 2025030605 28800 7200 604800 86400
Primary NS (mname)
ns1.dmsolutions.de
Admin Email (rname)
hostmaster@internetwire.de
Serial
2025030605
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns3.dmsolutions.de
ns2.dmsolutions.de
ns4.dmsolutions.de
ns1.dmsolutions.de

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.server1131.dmsolutionsonline.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 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

1 record
  • SPFv=spf1 include:_spf.server1131.dmsolutionsonline.de -all
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