I do not need for my self.
Can it help for CNAME Cloaking problem? and block tracking for sites like this.
I also have my simple solution and using it, I have 5 sites like this and maintain them frequently. But this tracking trick is dangerous. I see lots of chineese sites using this method to forward you malware sites. This can be a security layer.
f7ds.liberation.fr problem is same with my situation.