[ossec-list] how to block lame server resolving requests

[<deltamails@xxxxxxxxx>]

We are getting lot of queries like this through different names

#53
Jun  2 10:24:18 localhost named[5758]: lame server resolving 'vipum.latboy.com' (in 'latboy.com'?): 209.172.44.132#53
Jun  2 10:24:18 localhost named[5758]: lame server resolving 'vipum.latboy.com' (in 'latboy.com'?): 209.172.37.190#53
Jun  2 10:24:18 localhost named[5758]: lame server resolving 'vipum.latboy.com' (in 'latboy.com'?): 209.172.44.132#53
Jun  2 10:24:18 localhost named[5758]: lame server resolving 'vipum.latboy.com' (in 'latboy.com'?): 209.172.37.190#53
Jun  2 10:24:18 localhost named[5758]: lame server resolving 'vipum.latboy.com' (in 'latboy.com'?): 209.172.44.132#53
Jun  2 10:24:18 localhost named[5758]: lame server resolving 'vipum.latboy.com' (in 'latboy.com'?): 209.172.44.132#53

How can we block these lame requests.

 

Thanks

DM