# File lib/net/dns/header.rb, line 344
      def data
        arr = []
        arr.push(@id)
        arr.push((@qr<<7)|(@opCode<<3)|(@aa<<2)|(@tc<<1)|@rd)
        arr.push((@ra<<7)|(@ad<<5)|(@cd<<4)|@rCode.code)
        arr.push(@qdCount)
        arr.push(@anCount)
        arr.push(@nsCount)
        arr.push(@arCount)
        arr.pack("n C2 n4")
      end