node-dns-sync Sync/Blocking DNS resolve. Main usecase is in node server startup. How to Use var dnsSync = require('dns-sync'); console.log(dnsSync.resolve('www.paypal.com')); //should return the IP addressconsole.log(dnsSync.resolve('www.yahoo.com'));console.log(dnsSync.resolve('www.non-host.something')); //should return null console.log(dnsSync.resolve('www.google.com', 'AAAA')); //should return AAAA recordsconsole.log(dnsSync.resolve('google.com', 'NS')); //should return NS record