Add new domain to bloggers blog?

Hello webmasters

I had created a blog on blogger doctorsend(dot)blogspot(dot)com and now i purchase a new domain doctorsend(dot)info and which is working on my blog but when I type doctorsend(dot)info it redirects me to my blogspot url while adding www on my domain name its working fine what can i do to work both of them fine with www or without www.

Thanks in advance

i have redirected to the IP i want bloggers blog needed to redirect both www and non www domain to be redirect on the same IP address

What’s your DNS Problem? Can you specify?

thanks a lot problem solve but i got some DNS problem

Forward to and this will forward automaticly to
It`s sound a little confuse but it work