Lookup is a network tool that lets you
obtain information on host names and IP addresses.
This information also includes possible aliases.
It also reports physical (MAC) addresses of computers
in a local area network.
You can use the Lookup tool to:
Look up a host name from an IP address.
Find the IP address from a host name.
Find the geographical location of an IP
Find the physical (MAC) address from a host
name or an IP address.
Look up mail exchangers for the domain.
To use the Lookup tool, do the following:
Select the Lookup tab.
Enter in the Query text box the host name
or IP address of the remote host, or an e-mail
address from the domain you want to look up
(for example, microsoft.com or email@example.com).
You can also enter an e-mail address without
a local part, but including the sign "@" (for
list shows the previous host names, IP addresses
or domain names for which you have done a lookup.
Set in the Options dialog box any of the
options you want to use:
Specifies the IP address
of your DNS server. You can select the default
DNS server of the network stack in your operating
system or an alternative one you have added.
the number of seconds the Lookup tool tries
a DNS server that is not responding.
number of attempts the Lookup tool tries a DNS
server that is not responding.
Sort by preference
this option is checked, the Lookup tool sorts
all mail exchangers in order of increasing preference
Click the Start button.
tool displays the results of the query in the
You can right-click the Response area to
display the pop-up menu.
You can display the geographical location
of an IP address on a Google Map by choosing
Show On Map from the pop-up menu.
Lookup requires a connection to a network with
a DNS or a WINS server or other type of name server.
Your computer must be configured to access these