RHA Blessed With Page-Rank 3.0!!

It hasen't been more than 4 months since I moved rafayhackingarticles.blogspot.com to a custom domain(http://rafayhackingarticles.net), Today RHA has been surprisingly blessed with Page-Rank 3.0 and I am very shocked to see it, though when RHA was on a subdomain it had PR 4 but after I redirected all the traffic to the custom domain the pagerank became zero. Luckily not only RHA's homepage but