find /etc/ssl/certs -type f -name "*.pem" -print0 | xargs -0 -I {} openssl x509 -in {} -text -noout

ls -la /etc/ssl/certs
ls -la /usr/s are/ca-certificates/mozilla/

find /usr/s are/ca-certificates/mozilla/ -type f -name "*.crt" -print0 | xargs -0 -I {} openssl x509 -in {} -text -noout