DNS Management

(การจัดการ DNS)

Definition

DNS Management (การจัดการ DNS) Hard Skill

The skill of configuring, maintaining, and troubleshooting Domain Name System (DNS) services to ensure proper resolution of domain names to IP addresses within a network.

Expertise Level

skill-level-0

Level 1

Basic

1. Understands the purpose and basic concepts of DNS.

2. Can perform simple DNS lookups using common tools.

3. Able to recognize and describe main DNS record types (A, CNAME, MX).

skill-level-1

Level 2

Intermediate

1. Can configure and manage DNS record entries on DNS servers or hosting platforms.

2. Able to troubleshoot common DNS resolution issues.

3. Understands DNS propagation and TTL settings.

skill-level-2

Level 3

Advanced

1. Can design and implement complex DNS infrastructures including redundancy and load balancing.

2. Able to secure DNS configurations against common vulnerabilities and attacks.

3. Proficient in advanced troubleshooting including DNSSEC and dynamic DNS.

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