medbo.de

Email infrastructure report · Last checked 28 Jul 2026, 18:04 UTC

Summary

medbo.de uses Self-hosted / Custom for email and has SPF configured. It is not catch-all.

Mail provider

ProviderSelf-hosted / Custom self-hosted

Primary MXmx-in01.eu.retarus.com

MX records

Priority	Hostname	IPs
10	mx-in01.eu.retarus.com	94.199.92.130
10	mx-in02.eu.retarus.com	94.199.89.39

Authentication

SPF✓ Present -all

DKIM? Not detected via common selectors

DMARC✗ Missing

Raw SPF record

v=spf1 include:_spf.retarus.com include:spfhard.crsend.com include:spf.crsend.com -all

Email behavior

Catch-all✗ No

Disposable✗ No

Free provider✗ No

STARTTLS✓ Supported

SMTP response1334ms

SMTP banner220-Welcome, please wait... 220 mailin09.de1.retarus.com ESMTP Retarus Managed E-Mail Services (RMX3)

What this means

This domain is missing DKIM, DMARC, which weakens its protection against email spoofing. Adding these records would improve deliverability and reduce the risk of impersonation.

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