DNS Server
(เซิร์ฟเวอร์ DNS)
Definition
DNS Server (เซิร์ฟเวอร์ DNS) Tool
A DNS Server is a network tool that translates human-readable domain names into IP addresses, enabling devices to locate and communicate with each other over the internet or private networks.
Expertise Level
Level 1
Basic
1. Understands the purpose and basic function of a DNS server.
2. Can configure simple DNS records such as A and CNAME.
3. Able to use basic DNS tools to perform domain lookups.
Level 2
Intermediate
1. Can set up and manage DNS zones and records including MX and TXT.
2. Understands DNS resolution process and caching mechanisms.
3. Able to troubleshoot common DNS issues such as propagation delays and misconfigurations.
Level 3
Advanced
1. Designs and implements scalable and secure DNS architectures.
2. Manages advanced configurations like DNSSEC and load balancing.
3. Analyzes and mitigates complex DNS security threats and performance issues.
