By the way, I noticed that GoDaddy cPanel has recently been updated to serve only R3 signed by ISRG Root X1 rather than only R3 signed by DST Root CA X3.
Congratulations Let's Encrypt! 
One of the world's largest hosting providers has switched entirely to rely on your root without cross-signing!
https://decoder.link/sslchecker/griffin.software/443
https://www.sslshopper.com/ssl-checker.html#hostname=griffin.software