<P> nslookup is a network administration command - line tool available for many computer operating systems for querying the Domain Name System (DNS) to obtain domain name or IP address mapping or for any other specific DNS record . </P> <P> Early in the development of BIND 9, the Internet Systems Consortium planned to deprecate nslookup in favor of host and dig . However, this decision was reversed in 2004 with the release of BIND 9.3, and nslookup has been fully supported since then . </P>

What is the nslookup command and what does it do
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