Show HN: RSS Feed Validator and Analyzer

I don't like that this penalizes me for my HTTPS certificate expiring in 41 days. Isn't Let's Encrypt moving to 47 day certificates soon?

https://www.bleepingcomputer.com/news/security/ssl-tls-certi...

I also don't like how this penalizes my feed for not being updated for over 50 days. I haven't blogged since then, so no updates for a while.