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1. Use the dig Unix command and disable the recursive lookup feature (+norecursive), this way when the DNS server has no entry of the requested

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1. Use the dig Unix command and disable the recursive lookup feature (+norecursive), this way when the DNS server has no entry of the requested domain name it will send you back the next DNS server in the lookup sequence for you to ask. Then find an example to manually do a lookup such that you get to contact multiple DNS servers (provide screen shots). HINT: specify the query to be carried out for NS records rather than the usual A records

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