DnsLoad
Toolset for testing DNS server loads.
Installation
Add this line to your application's Gemfile:
gem 'dns_load'
And then execute:
$ bundle
Or install it yourself as:
$ gem install dns_load
Usage
$ dns-load -r 5000 -i 1 -d google.com,yahoo.com, -a 127.0.0.1 -p 53 --pool-size 4