If you ve been getting similar errors as well you probably have also noticed most answers online regarding this issue are outdated and no one has updated it since
Cloudflare is a dns service with the 1 1 1 1 ip and it s the one that ensures the best network speed and also compensates it with over 15 of the initial rate
You might want to authenticate the user using one of the google account already configured in your device like some of the apps do for that follow the below link