Huh, as far as I can tell it should be working. I did check on iTunes and it’s defiantly not working, I suggest checking your settings in podcasts connect (podcastsconnect.apple.com) and making sure that it’s not looking at an old feed.
You’ll need to disable FastCGI on your server (your hosting provider should have instructions on how to do this if they allow it).
Lootah (Just a user-I don’t work on the plugin)
Can you post a link to your website?