Bom dia pessoa, 

Eu tenho o bind atuando como DNS cache em minha rede e olhando os logs 
notei que aparece as linhas abaixo infinitamente. Só consigo normalizar a 
situação reiniciando o serviço de DNS (Bind), mas isso volta a acontecer 
de vez em quando.
Alguém sabe o que seria esse "bad referral" e como posso solucionar esse 
problema de uma vez por todas?

Muito obrigada desde já, 

Oct 31 09:14:53 server last message repeated 15 times
Oct 31 09:14:53 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:53 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.174.85.193].53
Oct 31 09:14:53 server last message repeated 2 times
Oct 31 09:14:53 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:53 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.174.85.193].53
Oct 31 09:14:53 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:53 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.174.85.193].53
Oct 31 09:14:53 server last message repeated 2 times
Oct 31 09:14:53 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.174.85.193].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.174.85.193].53
Oct 31 09:14:54 server last message repeated 2 times
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.174.85.193].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.174.85.193].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.174.85.193].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.174.85.193].53
Oct 31 09:14:54 server last message repeated 7 times
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.174.85.193].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.174.85.193].53
Oct 31 09:14:54 server last message repeated 2 times
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.174.85.193].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:54 server last message repeated 8 times
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.174.85.193].53
Oct 31 09:14:54 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:56 server last message repeated 23 times
Oct 31 09:14:56 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.174.85.193].53
Oct 31 09:14:56 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:56 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.174.85.193].53
Oct 31 09:14:56 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53
Oct 31 09:14:56 server last message repeated 6 times
Oct 31 09:14:56 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.174.85.193].53
Oct 31 09:14:56 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.174.85.193].53
Oct 31 09:14:57 server named[5115]: bad referral (click21.com.br !< 
www-origin.click21.com.br) from [200.214.225.70].53

Juliana

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