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The Domain Name System ABDUL GAFOOR KV Big leap software solution Pvt Ltd
History of DNS ,[object Object],[object Object],[object Object],[object Object],[object Object]
Host names ,[object Object],[object Object],[object Object],[object Object],[object Object]
The Domain Name System ,[object Object],[object Object]
DNS Hierarchy edu com org jp rpi albany
Host name structure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Domain Name ,[object Object],[object Object]
Top level domains ,[object Object],[object Object],[object Object],[object Object]
DNS Organization ,[object Object],[object Object],[object Object]
DNS Distributed Database ,[object Object],rpi.edu DNS DB rpi.edu DNS DB rpi.edu DNS DB Authoritative rpi.edu DNS DB Replicas rpi.edu  DNS server
DNS Clients ,[object Object]
DNS Servers ,[object Object],[object Object],[object Object]
Server - Server Communication ,[object Object],[object Object],[object Object],[object Object]
DNS Data ,[object Object],[object Object],[object Object],[object Object],[object Object]
The Root DNS Server ,[object Object],rpi edu com org jp albany
Server Operation  ,[object Object],[object Object],[object Object]
DNS Message Format ,[object Object],[object Object],[object Object],[object Object],[object Object]
Recursion ,[object Object],[object Object]
Question Format ,[object Object],[object Object],[object Object]
UDP & TCP ,[object Object],[object Object],[object Object],[object Object]
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Domain Name System