[iamgopal]

I think they do not use letsencrypt . They use thier own SSL, since they are now licencing authority.

Edit: I am wrong. They use letsencrypt.

[StevePerkins]

I am hosting this project on App Engine, and have been using their SSL management for a couple of months now:

https://resumefodder.com/

A click on the browser padlock icon says that it's a LetEncrypt cert. Unsurprising, since Google is such a major sponsor. Also unsurprising that Google chooses to focus on their own branding rather than call attention to it.

[iamgopal]

You are right, I do have many domains and didn't bother to check it.