【Node.js】ドメイン名からIPアドレスを取得する - Qiita

const dns = require("dns"); const dnsPromises = dns.promises; dnsPromises.lookup("google.com").then(({ address, family }) => { console.log("address: %j family: IPv%s", address, family); // address: "172.217.25.110" family: IPv4 }); const dns = require("dns"); const dnsPromises = dns.promises; const options = { family: 6, hints: dns.ADDRCONFIG | dns.V4MAPPED, }; dnsPromises.lookup("google.com", opt