DNSCmd.exe is a Command Line Interface utility to display and modify Windows DNS (Domain Name System)servers. DNSCmd.exe is an equivalent to the DNS Server snap-in from the MMC (Microsoft Management Console).
Dnscmd is enhanced version of the dnsstat.exe utility in Windows NT which infact was replaced by Dnscmd.exe utility itself later on.
Dnscmd.exe can be used to display and edit the properties of DNS servers, DNS Zones and Resource Records. Dnscmd.exe can also be used to force replaication between DNS Server memory and DNS database and data files. Dnscmd.exe is also useful for the fact that it can run on the local server systems and on remote servers running DNS Server software.