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

[Mark Andrews]

In message <barmar-3A5530.20414626012009 at mara100-84.onlink.net>, Barry Margolin
 writes:
> In article <gllmur$2shc$1 at sf1.isc.org>,
>  Mark Andrews <Mark_Andrews at isc.org> wrote:
> 
> > In message <fvhsn493t2pb75c93nm1s14lkttiu0ihq8 at 4ax.com>, "Tony Toews [MVP]"
>  
> > wri
> > tes:
> > > Gregory Hicks <ghicks at hicks-net.net> wrote:
> > > 
> > > 
> > > >> 2) What are they?
> > > >
> > > >They look like the DDoS being discussed on the NANOG list.
> > > >
> > > >Have you implemented BCP38?  If not, why not...
> > > 
> > > I have no idea what BCP38 is and how I can implement that.
> > 
> > 	http://www.ietf.org/rfc/rfc3704.txt

	http://www.ietf.org/rfc/rfc2827.txt
> 
> That's BCP84.
> 
> But in either case, implementing it doesn't protect you from attacks 
> like this, it only prevents you from being the source of attacks on 
> others.
> 
> -- 
> Barry Margolin, barmar at alum.mit.edu
> Arlington, MA
> *** PLEASE don't copy me on replies, I'll read them in the group ***
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org