DNS - Resolver (IP from Name)

Map Of Internet 1973

About

The resolver is a program that queries a database names in response to client requests to determines:

They must be able to access at least one name server and use that name server's information to answer a query directly, or pursue the query using referrals to other name servers.

A resolver is typically directly accessible to user programs; hence no protocol is necessary between the resolver and the user program.




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