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 -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.