Just did upgrade from SA 2.63 to SA 3.0.2, everything looks good, but I don't see any evidence that URIDNSBL is doing anything to spam emails so far.
Here is the output. Is it broke?
That looks fine, however, in order to test URIDNSBL's it might be worth having a URI in the message
Try the SURBL test point, which should match:
http://www.surbl-org-permanent-test-point.com/