+import Control.Concurrent.ParallelIO.Global (
+ parallel,
+ stopGlobalPool )
+import Control.Monad (unless)
+import qualified Data.ByteString.Char8 as BS (
+ getContents,
+ pack,
+ words )
+import Data.List ((\\))
+import Data.String.Utils (join)
+
+import Network.DNS (
+ Domain,
+ FileOrNumericHost(RCHostName),
+ ResolvConf(resolvInfo),
+ defaultResolvConf,
+ makeResolvSeed,
+ withResolver )
+
+import CommandLine (Args(..), get_args)
+import DNS (
+ LookupResult,
+ lookupMX',
+ lookupNS',
+ normalize )
+
+report :: (Domain, Maybe [Domain]) -> IO ()
+report (d, Nothing) =
+ putStrLn $ "Domain " ++ (show d) ++ " not delegated."
+report (d, Just leftovers) =
+ unless (null leftovers) $
+ putStrLn $ "Domain " ++
+ (show d) ++
+ " delegates somewhere else: " ++
+ (join " " (map show leftovers))
+
+clean :: [Domain] -- ^ List of delegates, @ds@
+ -> LookupResult
+ -> LookupResult
+clean _ p@(_, Nothing) = p
+clean delgts (d, Just targets) =
+ (d, Just $ targets \\ delgts)
+
+
+