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DNS course

DNS course
flexible workload from 4 to 360h
valid certificate in your country

What will I learn?

This concise DNS Course shows you how to design, configure, and troubleshoot reliable name resolution for internal and public services. Learn practical DNS architecture, client configuration, and zone planning, then apply proven methods to fix outages, stale records, and slow lookups. You also cover security, logging, redundancy, and DNSSEC so you can keep critical applications fast, resilient, and protected.

Elevify advantages

Develop skills

  • DNS troubleshooting: pinpoint and fix real-world name resolution failures fast.
  • DNS design: build scalable, low-latency architectures for hybrid cloud networks.
  • DNS security: harden zones with DNSSEC, RPZ, ACLs, and attack mitigations.
  • DNS records mastery: plan A, AAAA, MX, TXT, SRV, and CNAME for public and internal use.
  • Client and branch DNS: optimize resolvers, forwarding, caching, and failover paths.

Suggested summary

Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.
Workload: between 4 and 360 hours

What our students say

I was just promoted to Prison System Intelligence Advisor, and the course from Elevify was crucial for me to be the chosen one.
EmersonPolice Investigator
The course was essential to meet the expectations of my boss and the company I work for.
SilviaNurse
Very great course. Lots of valuable information.
WiltonCivil Firefighter

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