Index: frontend/node_modules/mz/dns.js
===================================================================
--- frontend/node_modules/mz/dns.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/mz/dns.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,16 @@
+
+require('thenify-all').withCallback(
+  require('dns'),
+  exports, [
+    'lookup',
+    'resolve',
+    'resolve4',
+    'resolve6',
+    'resolveCname',
+    'resolveMx',
+    'resolveNs',
+    'resolveSrv',
+    'resolveTxt',
+    'reverse'
+  ]
+)