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DNS Freaking Out

Discussion in 'Windows Server' started by jamesb2, Jan 11, 2011.

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  1. jamesb2

    jamesb2 Thread Starter

    Joined:
    Dec 8, 2007
    Messages:
    124
    Long story short.... I have an ad network with 2 dns servers (one per subnet). We are noticing on subnet A that the internet is fast for all of the computers. We are seeing subnet B so slow the internet is almost unusable. I have noticed that if I clear the cache on the dns server on subnet B the internet works great for 10 minutes. In the DNS cache is tons of entries for different coutry addresses. Almost all of them look like a "pop-up window" type DNS address. Any ideas would be appreciated!!!

    Thank you in advance.
     
  2. Rockn

    Rockn

    Joined:
    Jul 29, 2001
    Messages:
    21,334
    A virus on your network, most likely a trojan.
     
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