Its really really weired.
but its appearing

http://digpagerank.com/index.php?url...69852545&dc=17

try any value after t= {numeric or even alphabets }

But Pagerank always appear 3.

And interestingly its PR3 only one those DCz which are still not updated from last PR update. They are showing old PRs.

How is it possible?

I dont know!!! but it would be really interesting to find out!!! Let me know if you find something!!!

and knowing the PR of another sites error page is interesting because ????????

yeah, it's the pr of the error page