Promise example

index.js

function makeCalls() {
  return Promise.all(
    linkArr.map(async link => {
      try {
        const response = await fetch(link, { method: "HEAD" });
        if (response.status == 200) { // good
            console.log(`${link} was good! status: ${response.status}`.green);
        } else if (response.status == 404 || response.status == 401) { // bad
            console.log(`${link} was bad! status: ${response.status}`.red);
            allGood = false;
        } else { // unknown
            console.log(`${link} was unknown! status: ${response.status}`.gray);
        }

        const linkN = link.toString().replace(/(^\w+:|^)\/\//, '');
        await dnsPromise(linkN, rrtype)
        return "Hello from the inner Promise";
      } catch(err) {
        console.log(err);
      }
    }
  ).then(data =>{ // for Promise.all
    console.log(data);
    resolve();
  }).catch(err => {
    console.log(err);
  });
}