I updated and added additional checks to the test script at https://wiki.ubuntu.com/StableReleaseUpdates/Certbot/TestScript including tests for all four of the areas Robie flagged in his most recent post.
I updated and added additional checks to the test script at https:/ /wiki.ubuntu. com/StableRelea seUpdates/ Certbot/ TestScript including tests for all four of the areas Robie flagged in his most recent post.