metasploit-framework

https://github.com/rapid7/metasploit-framework

Ruby

Metasploit Framework

Net::DNS::Header#data

Returns the header data in binary format, appropriate 
for use in a DNS query packet.

  hdata = header.data
  puts "Header is #{hdata.size} bytes"

Source | Google | Stack overflow

Edit

git clone [email protected]:rapid7/metasploit-framework.git
cd metasploit-framework
open lib/net/dns/header.rb

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-Net--DNS--Header-data-for-pr

# Commit to git
git add lib/net/dns/header.rbgit commit -m "better docs for Net::DNS::Header#data"

# Open pull request
gem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-Net--DNS--Header-data-for-pr
hub pull-request

# Celebrate!