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@eugenehp
eugenehp / reverse-ip-lookup.js
Created July 8, 2012 14:58
node.js IP reverse lookup
var dns = require('dns');
function reverseLookup(ip) {
dns.reverse(ip,function(err,domains){
if(err!=null) callback(err);
domains.forEach(function(domain){
dns.lookup(domain,function(err, address, family){
console.log(domain,'[',address,']');
console.log('reverse:',ip==address);
// Regular commander.js logic up here. None of this
// logic is run if a subcommand match was found
var knownSubCommands = [
"blah",
"ha",
"etc"
]