anchor.diff:  
   **Notice:** This script doesn't end, it will keep doing lookups on longer and longer hostnames until you hit CTRL-C
   
  -```ruby
  +```
   #!/usr/bin/env ruby
   
   #
  
positive.code: This worked but it was slow, so I sped it up using methods that I talked about in my last post and a quick modification:
  
  I used this:
  ``` ruby
  #!/usr/bin/env ruby
  
  #
  
negative.code: ```
  
  Happy bruting. Both scripts can be found on my gists page:
   
  - Domain version: https://gist.github.com/mubix/9107284
  - Parallel version: https://gist.github.com/mubix/9107276