DNS

3 articles about DNS

Email Security

DNS colgante: cómo encontrarlo y solucionarlo antes de una apropiación

Jul 20, 20269 min readBilly McDiarmid

El DNS colgante es fácil de crear y difícil de detectar. Tanto OWASP como AWS lo señalan. Aquí tienes el riesgo, lo que dice cada uno, y cómo encontrarlo y solucionarlo en todo tu entorno.

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NIST DNS update: What this means for your organization

Mar 25, 20265 min read

NIST SP 800-81 Revision 3 reframes DNS as an active security layer for the first time since 2013. Here's what changed and why it matters for DMARC, SPF, and DKIM.

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4 free tools for quick email security testing

Dec 1, 20254 min readJack Lilley

Four free tools from Red Sift to audit your email authentication in minutes: Investigate for DMARC, SPF Checker, BIMI Checker, and Blacklist Checker.

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