How can you check whether domain exists or not in Java?

Question

Suppose my email address is xyz@yahoo.com and I want to check if yahoo.com is a valid domain or not.

Can anyone tell me which Java API I ca

Answer 1

I don't know if it's the best way to this, but I've done something similar for a VB.NET program:

I just pinged the domain, and if I didn't get a reply, the domain either was offline or didn't exist.