Move dns.isIP to net.isIP

Add tests and docs.

1 files changed, 3 insertions, 4 deletions

diff --git a/lib/dns.js b/lib/dns.js
index 532f15abb..8f9ce768b 100644
--- a/lib/dns.js
+++ b/lib/dns.js
@@ -1,4 +1,5 @@
 var dns = process.binding('cares');
+var net = process.binding('net');
 
 
 var watchers = {};
@@ -71,8 +72,6 @@ var channel = new dns.Channel({SOCK_STATE_CB: function (socket, read, write) {
   updateTimer();
 }});
 
-exports.isIP = dns.isIP;
-
 exports.resolve = function (domain, type_, callback_) {
   var type, callback;
   if (typeof(type_) == 'string') {
@@ -133,7 +132,7 @@ exports.lookup = function (domain, family, callback) {
     callback(null, null, family === 6 ? 6 : 4);
     return;
   }
-  var matchedFamily = dns.isIP(domain);
+  var matchedFamily = net.isIP(domain);
   if (matchedFamily) {
     callback(null, domain, matchedFamily);
   } else {
@@ -149,7 +148,7 @@ exports.lookup = function (domain, family, callback) {
         var af = familyToSym(family);
         channel.getHostByName(domain, af, function (err, domains) {
           if (!err && domains && domains.length) {
-            if (family !== dns.isIP(domains[0])) {
+            if (family !== net.isIP(domains[0])) {
               callback(new Error('not found'), []);
             } else {
               callback(null, domains[0], family);