Upper level DNS lookup functions.
- lookupA :: Resolver -> Domain -> IO (Maybe [IPv4])
- lookupAAAA :: Resolver -> Domain -> IO (Maybe [IPv6])
- lookupMX :: Resolver -> Domain -> IO (Maybe [(Domain, Int)])
- lookupAviaMX :: Resolver -> Domain -> IO (Maybe [IPv4])
- lookupAAAAviaMX :: Resolver -> Domain -> IO (Maybe [IPv6])
- lookupTXT :: Resolver -> Domain -> IO (Maybe [ByteString])
- lookupPTR :: Resolver -> Domain -> IO (Maybe [Domain])
- lookupSRV :: Resolver -> Domain -> IO (Maybe [(Int, Int, Int, Domain)])