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[cobalt-users] Question about Log Check security warnings.



My log check report is full of these entries
>Mar 11 09:00:16 s1 named[11302]: bad referral (125.63.in-addr.arpa !< 
>65.125.63.in-addr.arpa) from [63.125.62.65].53
>Mar 11 09:00:16 s1 named[11302]: bad referral (125.63.in-addr.arpa !< 
>65.125.63.in-addr.arpa) from [63.125.62.65].53
>Mar 11 11:45:53 s1 named[11302]: bad referral 
>(12.163.206.in-addr.arpa !< 170.12.163.206.in-addr.arpa) from
[192.67.14.16].53
>Mar 11 11:57:53 s1 named[11302]: bad referral (64.in-addr.arpa !< 
>10.64.in-addr.arpa) from [198.6.1.81].53
>Mar 11 13:17:39 s1 named[11302]: bad referral 
>(26.203.151.in-addr.arpa !< 56.26.203.151.in-addr.arpa) from
[199.45.45.14].53

Can someone tell me what they are and how to get rid of them?

chad