Re: Spam email many have RCVD_IN_DNSWL_MED

[Benny Pedersen]

On Wed, 12 Oct 2011 08:15:03 +0200, Alessio Cecchi wrote:
[snip]
Why Google name server returns an incorrect value?

google is free, so thay can sooks as much thay want to :)

dig -4 +trace 10.223.104.2.list.dnswl.org

resolved in 154 ms here

does it timeout ?, then contact dnswl.org

make sure you have the latest root zone file, it will not be uptodate 
if bind is not updated

hope that helps you aswell, it did for me

try loggin lame bind dns logs, contact dns admins if any are listed 
there