DNS course
This course equips you to handle DNS design, fixing issues, and security in business networks. You will learn quick fixes for service interruptions, better name resolution, stronger setups, and smart planning for internal and public zones to support growing, dependable tech systems. Perfect for keeping networks smooth and secure in real operations.

flexible workload from 4 to 360h
valid certificate in your country
What will I learn?
Gain skills to design, set up, and fix DNS systems for reliable name resolution in internal and external networks. Master DNS structures, client setups, zone management, and solutions for downtime, outdated records, and slow queries. Explore security measures, logging, backups, and DNSSEC to ensure applications stay quick, strong, and safe.
Elevify advantages
Develop skills
- DNS troubleshooting: quickly identify and resolve common name resolution problems.
- DNS design: create efficient, fast DNS setups for mixed cloud environments.
- DNS security: protect zones using DNSSEC, response policies, access controls, and threat defences.
- DNS records expertise: manage A, AAAA, MX, TXT, SRV, and CNAME records for all uses.
- Client and site DNS: improve resolvers, forwarding, caching, and backup routes.
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.What our students say
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