blob: 0f9df9d794d41d3b8a32f112a70f03bdf258883b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
'use strict'
const dnsPacket = require('..')
const dgram = require('dgram')
const socket = dgram.createSocket('udp4')
function getRandomInt (min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min
}
const buf = dnsPacket.encode({
type: 'query',
id: getRandomInt(1, 65534),
flags: dnsPacket.RECURSION_DESIRED,
questions: [{
type: 'A',
name: 'google.com'
}]
})
socket.on('message', function (message, rinfo) {
console.log(rinfo)
console.log(dnsPacket.decode(message)) // prints out a response from google dns
socket.close()
})
socket.send(buf, 0, buf.length, 53, '8.8.8.8')
|
