var whois = require('whois')
whois.lookup('google.com', function(err, data) {
	console.log(data)
})

{
	"server":  "",   // this can be a string ("host:port") or an object with host and port as its keys; leaving it empty makes lookup rely on servers.json
	"follow":  2,    // number of times to follow redirects
	"timeout": 0,    // socket timeout, excluding this doesn't override any default timeout value
	"verbose": false // setting this to true returns an array of responses from all servers
}