DNS

DNS 名詞解釋

DNS	Domain Name System	網域名稱系統
ICANN	Internet Corporation for Assigned Names and Numbers	網際網路名稱與數字位址分配機構
IANA	Internet Assigned Numbers Authority	網際網路號碼分配局
FQDN	Fully Qualified Domain Name	完整網域名稱	總長度不得超過 255 個字母， 單項(兩個點之間)不得超過 63 個字母。
	Root Domain	根網域	DNS 架構最上層的伺服器， 全球共約 16 台。
TLD	Top-Level Domain	頂級域名
ARPA	Infrastructure Top-Level Domain	基礎設施頂級域名
.arpa	Address and Routing Parameter Area	位址路由參數域
gTLD	Generic Top-Level Domain	通用頂級域名
grTLD	Restricted Generic Top-Level Domain	受限通用頂級域名
sTLD	Sponsored Top-Level Domain	贊助頂級域名	在2012年沒有使用新gTLD的讚助者和非贊助者之間的區別
ccTLD	Country Code Top-Level Domain	國家及地區頂級域名
IDN	Internationalized Domain Name	國際化域名
tTLD	Testing Top-Level Domain	測試頂級域名

DNS Software

The two principal roles

Authoritative server	權威服務器	primary name server, master server, secondary or slave name server
Recursive server	遞歸服務器	proxy name server, cache server. forward name server

BIG-IP DNS	F5 Networks	Key advantage is to use the same application delivery controller to support DNS and application acceleration.
BIND		Berkeley Internet Name Domain
Cisco Network Registrar	Cisco Systems	usually used in conjunction with the CNR DHCP
CoreDNS	graduated CNCF 2019	recommended DNS for Kubernetes
Dnsmasq		lightweight, easy to configure, provide to a small-scale network.
djbdns	Daniel J. Bernstein	collection of DNS applications, including tinydns
Knot DNS	CZ.NIC	fast, resilient DNS usable for infrastructure (root and TLD) and DNS hosting. supports DNSSEC hosts root zone (K and L Root_name_servers), several top-level domains.
Knot Resolver		used by Cloudflare for 1.1.1.1, its free DNS service
MaraDNS	Sam Trenholme	claims a good security history and ease of use recursive resolver does not use threads
PowerDNS