Root DNS Server Issues?
David Van Duzer
dvanduzer at infidels.org
Tue Oct 1 23:53:58 UTC 2002
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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