module Pdns
  newrecord("vip.your.net") do |query, answer| hr = Time.now.hour

    case hr
       when 0..9
          content.answer "1.x.x.x"
       when 10..20
          content.answer "2.x.x.x"
       when 21..23
          content.answer "3.x.x.x"
    end
  end
end