This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
try to get IP address using java.net package... if u find one then the domain is there else not. this would only work if u have the url having full host name (not just like .abc.com but u shd have www.abc.com)... regards maulin