- withResolver)
-import Network.DNS.Lookup (lookupA, lookupMX)
-import System.Directory (doesFileExist)
-import System.Exit (exitWith, ExitCode(..))
+ withResolver )
+import Network.DNS.Lookup ( lookupA, lookupMX )
+import System.Directory ( doesFileExist )
+import System.Exit ( exitWith, ExitCode(..) )