diff --git a/package.json b/package.json
index 9fc2911..de36054 100644
--- a/package.json
+++ b/package.json
@@ -33,12 +33,12 @@
   },
   "homepage": "https://github.com/whyrusleeping/js-mafmt#readme",
   "devDependencies": {
-    "aegir": "^9.3.2",
+    "aegir": "^9.3.3",
     "chai": "^3.5.0",
     "pre-commit": "^1.2.2"
   },
   "dependencies": {
-    "multiaddr": "^2.1.3"
+    "multiaddr": "^2.2.0"
   },
   "contributors": [
     "David Dias <daviddias.p@gmail.com>",
@@ -46,4 +46,4 @@
     "Jeromy Johnson <why@ipfs.io>",
     "dignifiedquire <dignifiedquire@gmail.com>"
   ]
-}
\ No newline at end of file
+}
diff --git a/src/index.js b/src/index.js
index ebc3e75..9153927 100644
--- a/src/index.js
+++ b/src/index.js
@@ -5,7 +5,14 @@ const multiaddr = require('multiaddr')
 /*
  * Valid combinations
  */
-const DNS = base('dns')
+const DNS4 = base('dns4')
+const DNS6 = base('dns6')
+const DNS = or(
+  base('dns'),
+  DNS4,
+  DNS6
+)
+
 const IP = or(base('ip4'), base('ip6'))
 const TCP = and(IP, base('tcp'))
 const UDP = and(IP, base('udp'))
@@ -50,6 +57,8 @@ const IPFS = or(
 )
 
 exports.DNS = DNS
+exports.DNS4 = DNS4
+exports.DNS6 = DNS6
 exports.IP = IP
 exports.TCP = TCP
 exports.UDP = UDP