What are these entries in the log file - " query: . IN NS +"?

[Tony Toews [MVP]]

"Tony Toews [MVP]" <ttoews at telusplanet.net> wrote:

>>> How do I know I'm not answering those?
>>> 
>>Since your on win, I can't help you, but whatever your packet monitor
>>is, see if you are replying to their requests, even with a REFUSED
>>response.

It looks like the server is replying with a refused statement.  The following are the
two lines that WireShark captured.

Standard query NS <Root>
Standard query response, refused

Tony
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