We’ve been working with Jetstack, the authors of cert-manager, on a series of fixes to the client. Cert-manager sometimes falls into a traffic pattern where it sends excessive traffic to Let’s Encrypt’s servers, continuously. To mitigate this, we plan to start blocking all traffic from cert-manager versions less than 0.8.0 (the current semver minor release), as of November 1.  We’ll be sending out notifications to cert-manager clients that meet those criteria over the next two months.  Version 0...