People often think this sort of expiry is due to some shocking technical deficit - but it's actually more often due to things like organisational change (people not handing over responsibilities correctly) or important information (e.g. on parts of the CDN infrastructure) not making across a migration to a new internal wiki.

My app [1] actually has users who use Let's Encrypt - which has totally reliable email reminders before expiry - but still like the idea of having a long list of backup contacts and a company that will follow up on them to prevent an expiry in production.

[1] https://www.httpsmonitor.com

Seems to be fixed:

https://www.reddit.com/r/bugs/comments/52q4mv/thumbsredditme... (flair: "fixed!")