rosenberger.com

Email infrastructure report · Last checked

Summary

rosenberger.com uses Mimecast for email and has SPF and DMARC configured. It is not catch-all.

Mail provider

ProviderMimecast security-gateway
Primary MXde-smtp-inbound-1.mimecast.com

MX records

PriorityHostnameIPs
10de-smtp-inbound-1.mimecast.com194.104.108.22, 194.104.110.22
10de-smtp-inbound-2.mimecast.com194.104.108.22, 194.104.110.22

Authentication

SPF Present -all
DKIM? Not detected via common selectors
DMARC Present p=none
Raw SPF record
v=spf1 mx mx:spf1.rosenberger.com include:de._netblocks.mimecast.com include:spf.crsend.com include:mktomail.com include:agenturserver.de include:spf.protection.outlook.com include:_spf.atlassian.net ip4:185.187.64.138 ip4:85.10.214.191 ip4:213.239.236.252 ip4:78.46.152.70 ip4:155.56.221.13 ip4:155.56.221.14 ip4:83.164.139.160 ip4:93.90.129.31 ip4:130.214.193.83 ip4:130.214.193.93 ip4:130.214.193.78 ip4:130.214.193.85 ip4:23.88.90.27 ip4:93.90.134.31 ip4:178.13.127.133 ip4:195.10.208.0/26 ip6:2001:67c:2050::/48 -all
Raw DMARC record
v=DMARC1; p=none; rua=mailto:7977c13099e6884@rep.dmarcanalyzer.com,mailto:dmarc-rua@rosenberger.com; ruf=mailto:7977c13099e6884@for.dmarcanalyzer.com,mailto:dmarc-ruf@rosenberger.com; fo=1;

Email behavior

Catch-all No
Disposable No
Free provider No
STARTTLS Supported
SMTP response69ms
SMTP banner220 de-smtp-inbound-1.mimecast.com ESMTP; Tue, 28 Jul 2026 18:01:55 +0200

What this means

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

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