how domain with "Nothing" have PR?

[atul s]

I have seen too many domains with high PR. I know about 301 redirection. But now rank checker detect easily but there are too many domains with high valid PR. Even rank checker can not detect them. 6 months old domains with high PR. HOW??

[Priya]

by buying back-links, many sites provide a code to put in websites which start reflecting other websites pr

[Anna!!]

sometimes some sites just get Page Rank due to some sites point to them directly through redirect, even I observe that some sites enjoy PR4 in first 2 months, its a natural process. For more detail use the below source