DNS Security Courses
ACCU Conference via YouTube Mostly Free Defenses Against the Phishing Kill Chain
YouTube EDNS Client Subnet ECS DNS CDN Magic or Security
YouTube DNSSec Explained
YouTube The Domain Name System - DNS Operation and Security
YouTube Secrets of DNS
YouTube MaginotDNS - Attacking the Boundary of DNS Caching Protection
Black Hat via YouTube Linux Encryption Security
Pluralsight IT Security Champion: DNS
Pluralsight Stop Leaking Kubernetes Service Information via DNS
CNCF [Cloud Native Computing Foundation] via YouTube