Помогите есть проблема с DNS
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Постоянно возникает проблема с DNS.

В логе messages

Кучу таких записей:

Jun 23 22:37:17 mail named[6681]: client 192.168.9.16#1809: no more recursive clients: quota reached  
Jun 23 22:37:17 mail named[6681]: client 192.168.2.27#1198: no more recursive clients: quota reached  
Jun 23 22:37:17 mail named[6681]: client 192.168.75.2#1032: no more recursive clients: quota reached  
Jun 23 22:37:17 mail named[6681]: client 192.168.75.10#1044: no more recursive clients: quota reached  
Jun 23 22:37:17 mail named[6681]: client 192.168.18.126#3808: no more recursive clients: quota reached
Jun 23 22:37:17 mail named[6681]: client 192.168.3.133#1027: no more recursive clients: quota reached  
Jun 23 22:37:17 mail named[6681]: client 192.168.17.135#1027: no more recursive clients: quota reached
Jun 23 22:37:17 mail named[6681]: client 192.168.7.200#3025: no more recursive clients: quota reached  
Jun 23 22:37:17 mail named[6681]: client 192.168.48.221#1362: no more recursive clients: quota reached
Jun 23 22:37:17 mail named[6681]: client 192.168.103.4#1034: no more recursive clients: quota reached  
Jun 23 22:37:17 mail named[6681]: client 192.168.6.123#1026: no more recursive clients: quota reached  
Jun 23 22:37:17 mail named[6681]: client 192.168.48.140#3613: no more recursive clients: quota reached
Jun 23 22:37:17 mail named[6681]: client 192.168.17.172#1026: no more recursive clients: quota reached
Jun 23 22:37:17 mail named[6681]: client 192.168.17.120#1163: no more recursive clients: quota reached
Jun 23 22:37:17 mail named[6681]: client 192.168.8.27#1839: no more recursive clients: quota reached  
Jun 23 22:37:17 mail named[6681]: client 192.168.6.45#1037: no more recursive clients: quota reached  

Что это значит ?

• Ошибка в DNS., LIS29, 01:47 , 24-Июн-04, (1)