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seemoo.tu-darmstadt.de

Email infrastructure report · Last checked

Summary

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

Mail provider

ProviderSelf-hosted / Custom self-hosted
Primary MXc2681.mx.srv.dfn.de

MX records

PriorityHostnameIPs
10c2681.mx.srv.dfn.de194.95.239.42, 2001:638:d:c303:acdc:1979:2:e2
10b2681.mx.srv.dfn.de194.95.235.42, 2001:638:d:c302:acdc:1979:2:e2
10a2681.mx.srv.dfn.de194.95.233.42, 2001:638:d:c301:acdc:1979:2:e2

Authentication

SPF✓ Present ~all
DKIM? Not detected via common selectors
DMARC✗ Missing
Raw SPF record
v=spf1 ip4:130.83.29.121 ip4:130.83.29.117 ip4:130.83.183.201 include:_spf.tu-darmstadt.de ~all

Email behavior

Catch-all✗ No
Disposable✗ No
Free provider✗ No
STARTTLS✓ Supported
SMTP response143ms
SMTP banner220 c2681.mx.srv.dfn.de ESMTP Postfix

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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