diff --git a/lib/dns.js b/lib/dns.js
index 17f8b32d0b8089..bd7789c6fa9126 100644
--- a/lib/dns.js
+++ b/lib/dns.js
@@ -191,15 +191,27 @@ exports.resolve = function(domain, type_, callback_) {
 
 
 // ERROR CODES
-exports.BADNAME = 'EBADNAME';
-exports.BADRESP = 'EBADRESP';
-exports.CONNREFUSED = 'ECONNREFUSED';
-exports.DESTRUCTION = 'EDESTRUCTION';
-exports.REFUSED = 'EREFUSED';
-exports.FORMERR = 'EFORMERR';
 exports.NODATA = 'ENODATA';
-exports.NOMEM = 'ENOMEM';
+exports.FORMERR = 'EFORMERR';
+exports.SERVFAIL = 'ESERVFAIL';
 exports.NOTFOUND = 'ENOTFOUND';
 exports.NOTIMP = 'ENOTIMP';
-exports.SERVFAIL = 'ESERVFAIL';
+exports.REFUSED = 'EREFUSED';
+exports.BADQUERY = 'EBADQUERY';
+exports.ADNAME = 'EADNAME';
+exports.BADFAMILY = 'EBADFAMILY';
+exports.BADRESP = 'EBADRESP';
+exports.CONNREFUSED = 'ECONNREFUSED';
 exports.TIMEOUT = 'ETIMEOUT';
+exports.EOF = 'EOF';
+exports.FILE = 'EFILE';
+exports.NOMEM = 'ENOMEM';
+exports.DESTRUCTION = 'EDESTRUCTION';
+exports.BADSTR = 'EBADSTR';
+exports.BADFLAGS = 'EBADFLAGS';
+exports.NONAME = 'ENONAME';
+exports.BADHINTS = 'EBADHINTS';
+exports.NOTINITIALIZED = 'ENOTINITIALIZED';
+exports.LOADIPHLPAPI = 'ELOADIPHLPAPI';
+exports.ADDRGETNETWORKPARAMS = 'EADDRGETNETWORKPARAMS';
+exports.CANCELLED = 'ECANCELLED';