BIND9 EDNS issues

Just setup Ubuntu server 12.10 and am getting a constant stream of the below:

Dec 3 20:49:33 professorx named[6068]: DNS format error from 192.5.5.241#53 resolving ./NS: non-improving referral
Dec 3 20:49:41 professorx named[6068]: success resolving './NS' (in '.'?) after disabling EDNS


I've noticed quite a few timeouts that I suspect are related. When I add edns no; to my named.conf things seem to start working much better. Thoughts?

Give a look to this post, it may help

http://www.linuxquestions.org/questi...-error-938406/

Quote:

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Originally Posted by gnusci

Give a look to this post, it may help

http://www.linuxquestions.org/questi...-error-938406/

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Not much in the way of fixes or explanations in that post (had run across it prior to posting here. It also didn't mention the failed queries due to that. If I go to google.com, once in a while it times out prior to resolving unless i disable edns.