malerkoop.de

Valid Email Server
Domain Lookup › malerkoop.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
malerkoop.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 16:05:47 UTC · ↺ Refresh

MX Hostnames

  • kdmail.regio-concept.info
  • hmsmailbak.heise.de
  • kd-mail3.duf.de

MX Priorities

  • kdmail.regio-concept.info: 10
  • kd-mail3.duf.de: 100
  • hmsmailbak.heise.de: 100

A / AAAA Records

  • 185.58.214.123 (no PTR)
  • 185.58.214.122 (no PTR)
  • 185.58.214.120 (no PTR)
  • 185.58.214.121 (no PTR)

Mail Server IPs

  • 193.99.144.222 (no PTR)
  • 192.166.167.141 ↩ kd-mail3.duf.de
  • 2a00:e68:14:908::141 ↩ kd-mail3.duf.de
  • 193.100.232.87 ↩ hmsmailbak.heise.de
  • 2a00:e68:14:801:1462:97ff:fe63:5403 ↩ hmsmailbak.heise.de

SOA Record

Raw SOA ns.duf.de administrator.duf.de 2025021301 28800 900 1728000 3600
Primary NS (mname)
ns.duf.de
Admin Email (rname)
administrator@duf.de
Serial
2025021301
Refresh
28800s
Retry
900s
Expire
1728000s
Minimum TTL
3600s

Nameservers (NS)

ns.duf.de
dufdns.work.de

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:192.166.167.141 ip6:2a04:7680:d8f:162::141 -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
  • SPFv=spf1 mx ip4:192.166.167.141 ip6:2a04:7680:d8f:162::141 -all
  • SPFv=spf1 mx ~all
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