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Windows Server Forum / Windows NT / DNS / September 2003Help! Massive root-server lookup
We have an nt dns server which started to continuously query the root servers. This obviously results in a lot of bandwidth which we believe is not necessary. We don't know what caused this problem but it has been going on for a week or so. Restarting the dns service or rebooting the server doesn't solve the problem. Any hint most welcome! Thanks Leopold We don't know whether it's the server itslef or if it's a client that's sending the DNS query causing the DNS server to do the lookups. Have you scanned the DNS server and the clients to see if they have any virus? To see which client is causing this behavior, take a Network monitor capture and you can look at the DNS traffic. ---- Thanks, Rakesh Chanana [MSFT] When replying, please post to GROUP so that everyone can benefit from the knowledge. This posting is provided "AS IS" with no warranties, and confers no rights. Use of included script samples are subject to the terms specified at http://www.microsoft.com/info/cpyright.htm -------------------- >> From: "Leopold" <leo@leo.au.com> >> Newsgroups: microsoft.public.windowsnt.dns [quoted text clipped - 5 lines] >> not necessary. >> We don't know what caused this problem but it has been going on for a week >> or so. Restarting the dns service or rebooting the server doesn't solve the >> problem. >> Any hint most welcome! >> Thanks >> Leopold |
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