I just observed that for blogs like http://somespam.blogspot.com http://somespam.blogspot.com, it allows you to block somesmap.blogspot.com alone, not the whole

I just observed that for blogs like http://somespam.blogspot.com http://somespam.blogspot.com, it allows you to block somesmap.blogspot.com alone, not the whole blogspot domain. It is the same for wordpress also.