restaurant-koenigstein.de

Valid Email Server
Domain Lookup › restaurant-koenigstein.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
restaurant-koenigstein.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 09:11:12 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 193.99.144.221 (no PTR)

Mail Server IPs

  • 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
  • 193.99.144.222 (no PTR)

SOA Record

Raw SOA ns.duf.de administrator.duf.de 2024071504 28800 900 1728000 3600
Primary NS (mname)
ns.duf.de
Admin Email (rname)
administrator@duf.de
Serial
2024071504
Refresh
28800s
Retry
900s
Expire
1728000s
Minimum TTL
3600s

Nameservers (NS)

ns.duf.de
dufdns.work.de

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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

1 record
  • SPFv=spf1 mx ~all
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