Any dns trace analysis tools?

[Han Dianfei]

Hi,

Sorry that this is a little bit off the topic.

Is there any tools that can analyze dns traces(libpcap format)?
Currently, I'm looking for a tool that can do some in-depth analysis
such as finding out repeated queries, invalid TLDs, bogus A queries, etc. 

Any help would be appreciated.

Thanks in advance!

-- 
Han Dianfei <handianfei99 at mails.tsinghua.edu.cn>