const dns = require('dns');

const domainName = 'www.example.com';
const dnsServers = ['8.8.8.8', '1.1.1.1', '9.9.9.9'];

// Test the DNS record against each DNS server
Promise.all(dnsServers.map(dnsServer => new Promise((resolve, reject) => {
  dns.resolve(domainName, 'A', { server: dnsServer }, (err, addresses) => {
    if (err) {
      reject(err);
    } else {
      resolve({ dnsServer, addresses });
    }
  });
})))
  .then(results => {
    console.log(results);
  })
  .catch(err => {
    console.error(err);
  });