Under UNIX and Linux, it is recommended that you use the dig command instead of Nslookup. Dig command is more powerful than Nslookup, unlike Nslookkup, which has to set to go, it's troublesome. Here are some of the more commonly used commands of dig:
# The most basic usage of dig
Dig @server sina.com.cn.
# View Zone data transfer with dig
Dig @server zx.xmgd.com. AXFR
# View incremental transfer of zone data with dig
Dig @server zx.xmgd.com. Ixfr=n
# View reverse resolution with dig
Dig-x 210.52.83.228 @server
# to find an authoritative DNS server for a domain
Dig xmgd.com. +nssearch
# Trace the parsing process of a domain name from the root server
Dig xmgd.com +trace
# to see which F root DNS server you are using
Dig +norec @f.root-servers.net HOSTNAME. BIND CHAOS TXT
# View the version number of BIND
Dig @bind_dns_server CHAOS TXT version.bind