Table of Content - DNS介紹
什麼是DNS
DNS提供的服務
DNS兩大功用
DNS的架構
Domain Name Space
Domain
Delegation
Forward / Reverse
Name Server
master(Primary)server
slave(Secondary) server
Cache only server
Forwarder
Name Resolver
DNS的運作
DNS運作原理
Recursive(遞迴式)
Iterative(交談式)
DNS運作步驟
DNS運作實例
DNS與防火牆
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