Namebench is a Open-source DNS Benchmark Utility

Namebench is a cross-platform application that can be run under Mac OS X, Windows and GNU/Linux. In this tutorial, we will show you how to install Namebench on Ubuntu.
Get Started
1. Install first this dependency to be able to use a GUI for Namebench:

sudo apt-get install python-tk

2. Using the Terminal, run these commands to install Namebench (v1.3.1) on Ubuntu:

wget http://namebench.googlecode.com/files/namebench-1.3.1-source.tgz
tar -zxvf namebench-1.3.1-source.tgz
cd namebench-1.3.1
sudo python setup.py install

3. To start the application, run this command:

./namebench.py

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4. In the window that pops up, submit name servers separated by a comma, then click Start Benchmark to start your test.
 
 
Screenshots
Here is what the nameserver overview looks like:
 
Note:
Namebench is now added to the official repository of Ubuntu, you can now install it with this command:

sudo apt-get install namebench

Then run open a terminal and execute:

sudo namebench