i agree with j_k9

Another way of finding IP address of a server is using NSLOOKUP

C:\nslookup
Default Server: ns1.mindspring.com
Address: 207.69.188.***

> www.yahoo.com
Server: ns1.mindspring.com
Address: 207.69.188.185

Non-authoritative answer:
Name: www.yahoo.akadns.net
Addresses: 216.109.118.68, 216.109.118.69, 216.109.118.76, 216.109.117.106
216.109.117.109, 216.109.117.204, 216.109.117.205, 216.109.117.207
Aliases: www.yahoo.com