Push notification not receiving on iphone

Question

I am using this tutorial to learn push notification.

Answer 1

Okay i finally got my Problem. The problem is not in code actually the problem is in Wrong DNS Value set in my iphone. Iphone automatically place ip of my router for DNS field. Now i give the DNS value of my service provider then it works fine. Now I am receiving Push messages As soon as i sent them.

I Hope it helps others.