CheckMail

mendelu.cz

Email infrastructure report · Last checked

Summary

mendelu.cz uses Self-hosted / Custom for email and has SPF, DKIM, and DMARC configured. It is not catch-all.

Mail provider

ProviderSelf-hosted / Custom self-hosted
Primary MXmlcoun1.mendelu.cz

MX records

PriorityHostnameIPs
0mlcoun1.mendelu.cz195.178.72.112
10mlcoun2.mendelu.cz195.178.72.113

Authentication

SPF✓ Present -all
DKIM✓ Found (selectors: selector1)
DMARC✓ Present p=reject
Raw SPF record
v=spf1 ip4:195.178.72.112 ip4:195.178.72.113 include:spf.protection.outlook.com -all
Raw DMARC record
v=DMARC1; p=reject; sp=reject; rua=mailto:dmarc-rua@mendelu.cz; ruf=mailto:dmarc-ruf@mendelu.cz

Email behavior

Catch-all✗ No
Disposable✗ No
Free provider✗ No
STARTTLS✓ Supported
SMTP response130ms
SMTP banner220 mlcoun1.mendelu.cz ESMTP Postfix

What this means

This domain has strong email authentication. Messages claiming to come from @mendelu.cz can be cryptographically verified by recipients, making spoofing difficult. Deliverability for legitimate mail should be good.

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