martinus-duesseldorf.de

Valid Email Server
Domain Lookup › martinus-duesseldorf.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
martinus-duesseldorf.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 13:16:42 UTC · ↺ Refresh

MX Hostnames

  • rz1fortimail01.dernbacher-gruppe.de
  • mx20.dernbacher-gruppe.de

MX Priorities

  • mx20.dernbacher-gruppe.de: 20
  • rz1fortimail01.dernbacher-gruppe.de: 10

A / AAAA Records

  • 85.13.129.165 ↩ dd47024.kasserver.com

Mail Server IPs

  • 83.236.191.137 ↩ rz1fortimail01.dernbacher-gruppe.de

SOA Record

Raw SOA ns67.domaincontrol.com dns.jomax.net 2025112000 28800 7200 604800 600
Primary NS (mname)
ns67.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025112000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns68.domaincontrol.com
ns67.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:_spf.rexx-suite.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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 a mx include:spf.protection.outlook.com include:_spf.rexx-suite.com -all
  • _telesec-domain-validation=49DB7830859C58535EAB69F378655E438BA38CFA93D4F04A55573674F2A522C2
  • MS=ms26634614
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