This is just a copy-pasta piece of junk, I have not tested it.

dns.js

// ===========================================================
// ===========================================================
// THIS IS COPY-PASTE-HACK. THIS IS NOT KNOWN TO ACTUALLY WORK
// ===========================================================
// ===========================================================

module.exports = {
  lookup: function (domain, family, callback) {
    // parse arguments
    if (arguments.length === 2) {
      callback = family;
      family = 0;
    } else if (!family) {
      family = 0;
    } else {
      family = +family;
      if (family !== 4 && family !== 6) {
        throw new Error('invalid argument: `family` must be 4 or 6');
      }
    }
    callback = makeAsync(callback);
    
    if (!domain) {
      callback(null, null, family === 6 ? 6 : 4);
      return {};
    }
    
    // Hack required for Windows because Win7 removed the
    // localhost entry from c:\\WINDOWS\\system32\\drivers\\etc\\hosts
    // See http://daniel.haxx.se/blog/2011/02/21/localhost-hack-on-windows/
    // TODO Remove this once c-ares handles this problem.
    if (process.platform == 'win32' && domain == 'localhost') {
      callback(null, '127.0.0.1', 4);
      return {};
    }
    
    var matchedFamily = net.isIP(domain);
    if (matchedFamily) {
      callback(null, domain, matchedFamily);
      return {};
    }
    
    function onanswer(addresses) {
      if (addresses) {
        if (family) {
          callback(null, addresses[0], family);
        } else {
          callback(null, addresses[0], addresses[0].indexOf(':') >= 0 ? 6 : 4);
        }
      } else {
        callback(errnoException(errno, 'getaddrinfo'));
      }
    }
    
    var wrap = cares.getaddrinfo(domain, family);
    
    if (!wrap) {
      throw errnoException(errno, 'getaddrinfo');
    }
    
    wrap.oncomplete = onanswer;
    
    callback.immediately = true;
    return wrap;
    },
  resolve4: function query(name, callback) {
      function onanswer(status, result) {
        if (!status) {
          callback(null, result);
        } else {
          callback(errnoException(errno, bindingName));
        }
      }
      
      callback = makeAsync(callback);
      var wrap = binding(name, onanswer);
      if (!wrap) {
        throw errnoException(errno, bindingName);
      }
      
      callback.immediately = true;
      return wrap;
    },
  resolve6: function query(name, callback) {
      function onanswer(status, result) {
        if (!status) {
          callback(null, result);
        } else {
          callback(errnoException(errno, bindingName));
        }
      }
      
      callback = makeAsync(callback);
      var wrap = binding(name, onanswer);
      if (!wrap) {
        throw errnoException(errno, bindingName);
      }
      
      callback.immediately = true;
      return wrap;
    },
  resolveCname: function query(name, callback) {
      function onanswer(status, result) {
        if (!status) {
          callback(null, result);
        } else {
          callback(errnoException(errno, bindingName));
        }
      }
      
      callback = makeAsync(callback);
      var wrap = binding(name, onanswer);
      if (!wrap) {
        throw errnoException(errno, bindingName);
      }
      
      callback.immediately = true;
      return wrap;
    },
  resolveMx: function query(name, callback) {
      function onanswer(status, result) {
        if (!status) {
          callback(null, result);
        } else {
          callback(errnoException(errno, bindingName));
        }
      }
      
      callback = makeAsync(callback);
      var wrap = binding(name, onanswer);
      if (!wrap) {
        throw errnoException(errno, bindingName);
      }
      
      callback.immediately = true;
      return wrap;
    },
  resolveNs: function query(name, callback) {
      function onanswer(status, result) {
        if (!status) {
          callback(null, result);
        } else {
          callback(errnoException(errno, bindingName));
        }
      }
      
      callback = makeAsync(callback);
      var wrap = binding(name, onanswer);
      if (!wrap) {
        throw errnoException(errno, bindingName);
      }
      
      callback.immediately = true;
      return wrap;
    },
  resolveTxt: function query(name, callback) {
      function onanswer(status, result) {
        if (!status) {
          callback(null, result);
        } else {
          callback(errnoException(errno, bindingName));
        }
      }
      
      callback = makeAsync(callback);
      var wrap = binding(name, onanswer);
      if (!wrap) {
        throw errnoException(errno, bindingName);
      }
      
      callback.immediately = true;
      return wrap;
    },
  resolveSrv: function query(name, callback) {
      function onanswer(status, result) {
        if (!status) {
          callback(null, result);
        } else {
          callback(errnoException(errno, bindingName));
        }
      }
      
      callback = makeAsync(callback);
      var wrap = binding(name, onanswer);
      if (!wrap) {
        throw errnoException(errno, bindingName);
      }
      
      callback.immediately = true;
      return wrap;
    },
  reverse: function query(name, callback) {
      function onanswer(status, result) {
        if (!status) {
          callback(null, result);
        } else {
          callback(errnoException(errno, bindingName));
        }
      }
      
      callback = makeAsync(callback);
      var wrap = binding(name, onanswer);
      if (!wrap) {
        throw errnoException(errno, bindingName);
      }
      
      callback.immediately = true;
      return wrap;
    },
  resolve: function (domain, type_, callback_) {
    var resolver, callback;
    if (typeof type_ == 'string') {
      resolver = resolveMap[type_];
      callback = callback_;
    } else {
      resolver = exports.resolve4;
      callback = type_;
    }
    
    if (typeof resolver === 'function') {
      return resolver(domain, callback);
    } else {
      throw new Error('Unknown type "' + type + '"');
    }
    },
  NODATA: 'ENODATA',
  FORMERR: 'EFORMERR',
  SERVFAIL: 'ESERVFAIL',
  NOTFOUND: 'ENOTFOUND',
  NOTIMP: 'ENOTIMP',
  REFUSED: 'EREFUSED',
  BADQUERY: 'EBADQUERY',
  ADNAME: 'EADNAME',
  BADFAMILY: 'EBADFAMILY',
  BADRESP: 'EBADRESP',
  CONNREFUSED: 'ECONNREFUSED',
  TIMEOUT: 'ETIMEOUT',
  EOF: 'EOF',
  FILE: 'EFILE',
  NOMEM: 'ENOMEM',
  DESTRUCTION: 'EDESTRUCTION',
  BADSTR: 'EBADSTR',
  BADFLAGS: 'EBADFLAGS',
  NONAME: 'ENONAME',
  BADHINTS: 'EBADHINTS',
  NOTINITIALIZED: 'ENOTINITIALIZED',
  LOADIPHLPAPI: 'ELOADIPHLPAPI',
  ADDRGETNETWORKPARAMS: 'EADDRGETNETWORKPARAMS',
  CANCELLED: 'ECANCELLED'
}