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DNS Security Articles

DNS configuration and security.

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DNS Security

The Complete Email Authentication Audit: SPF, DKIM, DMARC, MTA-STS, TLS-RPT and BIMI

Email spoofing is not one setting — it's a chain of six DNS records, and the weakest link decides whether anyone can send mail as you. Most checkers verify three of them. The complete audit covers SPF syntax depth, DMARC policy strength, eleven DKIM selectors, MTA-STS enforcement, TLS-RPT reporting and BIMI — here's how each verdict is reached.

2MNY Admin • Oct 13, 2026 • 5 min read

DNS Security

How to Configure SPF, DMARC, and DKIM for Email Security

Email spoofing is one of the easiest ways to attack your customers. SPF, DKIM, and DMARC are the three DNS records that stop it — here is how they work and how to configure them correctly.

2MNY Admin • Jun 28, 2026 • 3 min read

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