Just published two posts, all about DNS log collection and security:
DNS and IT security - Know your DNS Queries and Requests, Attacks, and SANS CSC
DNS Log Collection - More on DNS Queries https://hannahsuarez.github.io/2020/dns-log-collection-series-dns-queries/
Related from May 2019: Why understanding of DNS monitoring is useful for securing and hardening infrastructure https://hannahsuarez.github.io/2019/DNS-Monitoring/
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