DNS Administration
(การดูแลระบบ DNS)
Definition
DNS Administration (การดูแลระบบ DNS) Hard Skill
The skill of managing and configuring the Domain Name System (DNS) to ensure proper resolution of domain names to IP addresses, maintaining network accessibility and security.
Expertise Level
Level 1
Basic
1. Understands basic DNS concepts and terminology.
2. Can configure simple DNS records like A and CNAME.
3. Performs basic DNS queries and troubleshooting.
Level 2
Intermediate
1. Manages multiple DNS zones and record types including MX and TXT.
2. Implements DNS security features like DNSSEC.
3. Monitors DNS server performance and resolves complex resolution issues.
Level 3
Advanced
1. Designs and deploys scalable and redundant DNS architectures.
2. Leads DNS migration and integration projects across environments.
3. Develops automated DNS management and security policies.
