How to use the dns-packet.AUTHORITATIVE_ANSWER function in dns-packet

function onlistening () {
    self._interval = setInterval(ontimeoutCheck, self.timeoutChecks)
    self.emit('listening')
  }

  function onclose () {
    self.emit('close')
  }
}

util.inherits(DNS, events.EventEmitter)

DNS.RECURSION_DESIRED = DNS.prototype.RECURSION_DESIRED = packet.RECURSION_DESIRED
DNS.RECURSION_AVAILABLE = DNS.prototype.RECURSION_AVAILABLE = packet.RECURSION_AVAILABLE
DNS.TRUNCATED_RESPONSE = DNS.prototype.TRUNCATED_RESPONSE = packet.TRUNCATED_RESPONSE
DNS.AUTHORITATIVE_ANSWER = DNS.prototype.AUTHORITATIVE_ANSWER = packet.AUTHORITATIVE_ANSWER
DNS.AUTHENTIC_DATA = DNS.prototype.AUTHENTIC_DATA = packet.AUTHENTIC_DATA
DNS.CHECKING_DISABLED = DNS.prototype.CHECKING_DISABLED = packet.CHECKING_DISABLED

DNS.prototype.address = function () {
  return this.socket.address()
}

DNS.prototype.bind = function (...args) {
  const onlistening = args.length > 0 && args[args.length - 1]
  if (typeof onlistening === 'function') {
    this.once('listening', onlistening)
    this.socket.bind(...args.slice(0, -1))
  } else {
    this.socket.bind(...args)
  }
}

function onlistening () {
    self._interval = setInterval(ontimeoutCheck, self.timeoutChecks)
    self.emit('listening')
  }

  function onclose () {
    self.emit('close')
  }
}

util.inherits(DNS, events.EventEmitter)

DNS.RECURSION_DESIRED = DNS.prototype.RECURSION_DESIRED = packet.RECURSION_DESIRED
DNS.RECURSION_AVAILABLE = DNS.prototype.RECURSION_AVAILABLE = packet.RECURSION_AVAILABLE
DNS.TRUNCATED_RESPONSE = DNS.prototype.TRUNCATED_RESPONSE = packet.TRUNCATED_RESPONSE
DNS.AUTHORITATIVE_ANSWER = DNS.prototype.AUTHORITATIVE_ANSWER = packet.AUTHORITATIVE_ANSWER
DNS.AUTHENTIC_DATA = DNS.prototype.AUTHENTIC_DATA = packet.AUTHENTIC_DATA
DNS.CHECKING_DISABLED = DNS.prototype.CHECKING_DISABLED = packet.CHECKING_DISABLED

DNS.prototype.address = function () {
  return this.socket.address()
}

DNS.prototype.bind = function (...args) {
  const onlistening = args.length > 0 && args[args.length - 1]
  if (typeof onlistening === 'function') {
    this.once('listening', onlistening)
    this.socket.bind(...args.slice(0, -1))
  } else {
    this.socket.bind(...args)
  }
}

that.respond = function (res, rinfo, cb) {
    if (Array.isArray(res)) res = {answers: res}

    res.type = 'response'
    res.flags = (res.flags || 0) | packet.AUTHORITATIVE_ANSWER
    that.send(res, rinfo, cb)
  }

that.respond = function (res, rinfo, cb) {
    if (Array.isArray(res)) res = {answers: res}

    res.type = 'response'
    res.flags = (res.flags || 0) | packet.AUTHORITATIVE_ANSWER
    that.send(res, rinfo, cb)
  }

that.respond = function (res, rinfo, cb) {
    if (Array.isArray(res)) res = {answers: res}

    res.type = 'response'
    res.flags = (res.flags || 0) | packet.AUTHORITATIVE_ANSWER
    that.send(res, rinfo, cb)
  }