'use strict'
const tls = require('tls' )
const dnsPacket = require('..' )
var response = null
var expectedLength = 0
function getRandomInt (min, max) {
return Math.floor(Math.random() * (max - min + 1 )) + min
}
const buf = dnsPacket.streamEncode({
type: 'query' ,
id: getRandomInt(1 , 65534 ),
flags: dnsPacket.RECURSION_DESIRED,
questions: [{
type: 'A' ,
name: 'google.com'
}]
})
const context = tls.createSecureContext({
secureProtocol: 'TLSv1_2_method'
})
const options = {
port: 853 ,
host: 'getdnsapi.net' ,
secureContext: context
}
const client = tls.connect(options, () => {
console.log('client connected' )
client.write(buf)
})
client.on('data' , function (data) {
console.log('Received response: %d bytes' , data.byteLength)
if (response == null ) {
if (data.byteLength > 1 ) {
const plen = data.readUInt16BE(0 )
expectedLength = plen
if (plen < 12 ) {
throw new Error('below DNS minimum packet length' )
}
response = Buffer.from(data)
}
} else {
response = Buffer.concat([response, data])
}
if (response.byteLength >= expectedLength) {
console.log(dnsPacket.streamDecode(response))
client.destroy()
}
})
client.on('end' , () => {
console.log('Connection ended' )
})
Messung V0.5 in Prozent C=95 H=100 G=97
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet am 2026-06-05)
¤
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