parsing DNS messages with ruby
Ruby’s core module, resolv, will allow you to easily parse raw DNS messages:
require 'resolv'
Resolv::DNS::Message.decode("\xE8\x84\x81\x80...")
msg.opcode
# => 0
msg.question
# => [[#<Resolv::DNS::Name: segv.me.>, Resolv::DNS::Resource::IN::A]]