"If the IN-ADDR.ARPA name covered refers to a internal address space you are
using then you have failed to follow RFC 1918 usage rules and are leaking
queries to the Internet. You should establish your own zones for these
addresses to prevent you querying the Internet's name servers for these
addresses. Please see http://as112.net/ for details of the problems you are
causing and the counter measures that have had to be deployed."
Check here for the fix = http://public.as112.net/
These errors are not causing your overall problem...