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dns-protocol

is-using-protocol

- DNS Client, Resolver [ user ]
- DNS Server [ user ]

- DNS Protocol

Types:

is a protocol

Comment:: application protocol used to request resource records from name server
Comment:: normal resource records lookups are done with UDP
Comment:: zone transfers -- TCP must be used -- transfer entire content of a zone between (usually between primary and secondary DNS server)

References:

http://www.freesoft.org/CIE/Co...urse/Section2/11.htm