Find Out If My DNS Server Free From DNS Cache Poisoning Bug Or Not

Posted on in Categories , , , , , , , , , , , , last updated July 16, 2008

How do I verify that my ISP or my own recursive resolvers are free from DNS cache poisoning bug that is promised full disclosure of the flaw by Dan on August 7 at the Black Hat conference? How do I test my dns server for DNS cache pollution or DNS Cache Poisoning bug?

nslookup / host Dns Client Testing Command Not Found on Debian / Ubuntu Linux

Posted on in Categories , , , , last updated January 18, 2008

Q. I’m not able to run nslookup or host command under Debian or Ubuntu Linux. In fact, these commands are missing from my installation. How do I install nslookup and related dns client commands?
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