behavior of k.root-servers.net

[Stephane Bortzmeyer]

On Thu, Jul 17, 2003 at 10:17:49AM +0900,
 Yasuhiro Orange Morishita / ?$B?92<BY9( <yasuhiro at jprs.co.jp> wrote 
 a message of 100 lines which said:

> I heard that k.root-servers.net is running NSD, so I think that the
> cause of the strange behavior is the bug of NSD.

I see the same problem with my own instance of nsd so, yes, this may
be a nsd problem.