MDA - internet/dns/iterative-dns-query

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iterative-dns-query

- dns-query [ superclass ]

performs-function

- Zone Transfer [ function ]
- Recursive DNS Query [ function ]
- DNS Server [ performer ]

Comment:: DNS server answers either directly to client or gives reference to other DNS server -- client itself has now to query the recommanded DNS server
Comment:: references are first to servers 'higher up the DNS hierarchy' (includes root servers) -- then down the hierarchy

References:

http://techrepublic.com.com/51...00-6262-1058014.html