[CentOS] probem with bind???

Dear All,

I am sorry for posting this query here but hope someone can help me out
i have been running Centos 5 as my prinamry DNS n Mail server with bind 9.2

every thing works fine but in my/var/messages log i see continuosly the
below meesages

Feb 22 09:14:46 kmdns1 named[2087]: client 62.109.4.89#17222: query
(cache) './NS/IN' denied
Feb 22 09:14:46 kmdns1 named[2087]: client 62.109.4.89#26398: query
(cache) './NS/IN' denied
Feb 22 09:14:51 kmdns1 named[2087]: client 62.109.4.89#65326: query
(cache) './NS/IN' denied
Feb 22 09:14:52 kmdns1 named[2087]: client 62.109.4.89#59870: query
(cache) './NS/IN' denied

now in my firewall i tryied to block this ip but the messages dont stop

i also upgraded bind to version bind-9.3.4-6.0.3.P1.el5_2 but no avail
the problem still there


i jus like to know whts this problem and how could i solve it

is there a problem with my DNS server

thnks and regards

apprecite your kind help


fabian




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