globetrotter in globetrotter-0.0.5

- old
+ new

@@ -25,10 +25,10 @@
       default: 2,
       short: '-t'
   opt :concurrency,
       'Number of concurrent DNS requests to make',
       type: Integer,
-      default: 100,
+      default: 10,
       short: '-p'
 end
 
 ns_count_to_check = opts.ns_count_to_check
 ns_max_age_minutes = opts.ns_max_age_minutes