Question: ? What happens if a DNS resolver does not find a cached record for a domain It returns an error to the client . a

?What happens if a DNS resolver does not find a cached record for a domain
It returns an error to the client .a
It contacts the domain's web server directly b
It queries the authoritative DNS server for the domain .C
It sends a query to a root DNS server d
? What happens if a DNS resolver does not find a

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