What is NSlookup?
NSlookup is a utility that allows users to verify that a given domain name (or domain record) is resolving properly locally on their PC. It is also useful to check DNS caching, to ensure that after a DNS changeover that the PC is seeing the new IP address entry.
To access nslookup on a Windows workstation, perform one of the following:
Windows 7 or Vista: From the Start menu, in the search...
By jimmy, January 24, 2015