ipconfig
Repadmin
run as
PKZIP
change directory
it is the command line tool used to analyze the state of Windows domain controller it can check DNS errors.It can also help to check security for AD domain.
HFNetChk
chkcd
C: HFNetChk
It opens a text based word processor.
Use the command dnscmd.exe
dcpromo.exe command line tool :source 70-640 windows server 2008 book pg.25
Gpupdate