Allowed sites in your AdSense account

You can allow the sites to view you site or you can no allow them to view you site. Doing so you need to log in to you AdSense account.

1. Go to AdSense Setup tab.
2. click on Allowed sites.

Here you can see that which site are allowed to view you blog and which are no provided to view you site. you can make any changes from here.
Here is the page: