Letsencrypt does not renew when A Records are proxied through cloudflare

[GreenLondon]

Whenever a domain has its A records proxied through Cloudflare the letsencrypt fails and does not renew because the IPs Letsencrypt sees are different

example.com 104.21.7.217
www.example.com 172.67.188.14

This not only fails to renew the certificates but whenever we use the ee site ssl-renew --all if a site fails then the script ends.

Has anyone figured out how to fix this?

[GreenLondon]

Update:

In order to save everyone's time

First, you need to Integrate your easyengine setup with Cloudflare by doing the following

1. Replace info@example.com with your Cloudflare email
   ee config set le-mail info@example.com

2. Get your API key from Cloudflare [https://support.cloudflare.com/hc/en-us/articles/200167836-Managing-API-Tokens-and-Keys#12345682] and replace with it.
   ee config set cloudflare-api-key <cf-api-key>

3. Set the preferred SSL Challenge to DNS
   ee config set preferred_ssl_challenge dns

That will do it.