(G2) root with subject C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority – G2 as the trust anchor. We will no longer cross sign ACM public certificates with the GoDaddy operated root Starfield Class 2 (C2) with subject C=US, O=Starfield Technologies, Inc., OU=Starfield Class 2 Certification Authority.

Source: AWS Security Blog