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From: David Van Duzer <dvanduzer@infidels.org> To: nanog@merit.edu Cc: neiby@ureach.com In-Reply-To: <200210012346.TAA04438@www21.ureach.com> Date: 01 Oct 2002 17:53:58 -0600 Errors-To: owner-nanog-outgoing@merit.edu On Tue, 2002-10-01 at 17:46, John Neiberger wrote: > > We're getting responses from the root servers, the names just > aren't resolving. From a windows NT machine the error is "Non- > existent Domain". > > Ah, I just noticed something. The packet length for the DNS > response is supposed to be 510 bytes but it's being truncated > to 128. What the heck would cause that?? > > John The maximum size of a DNS UDP update is 512 bytes, otherwise TCP will be utilized. A SERVFAIL response might very well be only 128 bytes. You might want to make sure your root hints file is correct. -dvd
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