On Mon, Sep 17, 2018, at 06:07, Ian Collins wrote: > I have been runnig various versions of ISC Bind for a number of years > without any issues.>
> My current server is a Windows 2012 R2 running 9.3.0 > <...> Does anyone have any idea what could be causing the server to > stop answering queries or suggest any specifiv loggin settings that > might help identify it please. I recall a couple of hangs in that era on my Windows Server based Bind servers. It was due to malformed queries, although I don't recall the details anymore. Upgrading to a supported version would be the obvious first step.
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