I am told the rss feed has been fixed. You can now subscribe to the NCN podcast through iTunes or whatnot.
NCN Podcast Archives (with rss link): http://www.nationalcynical.com/thoughtconduit/archives?grid=15
National Cynical Network iTunes: https://podcasts.apple.com/us/podcast/national-cynical-network-archives/id390046328
The top tier shows that are more like albums are at: https://nationalcynical.bandcamp.com
Church of the SubGenius Members-Only MastoDobbs.