Merge pull request #2665 from ipfs/feature/add-default-to-dns

Added Default to `dns` cmd

core/commands/dns.go

@@ -47,7 +47,7 @@ The resolver can recursively resolve:
 		cmds.StringArg("domain-name", true, false, "The domain-name name to resolve.").EnableStdin(),
 	},
 	Options: []cmds.Option{
-		cmds.BoolOption("recursive", "r", "Resolve until the result is not a DNS link. Default: false."),
+		cmds.BoolOption("recursive", "r", "Resolve until the result is not a DNS link.").Default(false),
 	},
 	Run: func(req cmds.Request, res cmds.Response) {