kloth.net/services/nslookup.php that employs an easierto-
use Web interface. In fact, using this online version can significantly ease the learning process for
the command line version since you??™ll see how the various commands work. The following list
describes each of the command line arguments.
-Query=QueryType Sets the type of query that the NSLookup utility performs for all subsequent
commands. This command line switch affects the kind of data you must provide for the
ComputerToFind argument. NSLookup supports the following query types.
A Specifies a computer??™s IP address.
ANY Specifies all types of data.
CNAME Specifies a canonical name for an alias.
GID Specifies a group identifier of a group name.
HINFO Specifies a computer??™s CPU and type of operating system.
MB Specifies a mailbox domain name.
MG Specifies a mail group member.
MINFO Specifies mailbox or mail list information.
MR Specifies the mail rename domain name.
MX Specifies the mail exchanger.
NS Specifies a DNS name server for the named zone.
TRACKING SERVERS WITH THE NSLOOKUP UTILITY 303
PTR Specifies a computer name if the query is an IP address; otherwise, specifies the
pointer to other information.
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