Pubic DNS
Public DNS is accessible to the general internet-using public. It serves as a global directory, resolving domain names to IP addresses for users, businesses, and internet service providers. Examples include Google DNS and Cloudflare DNS. Public DNS is designed with security features and privacy considerations, offering a standardized configuration managed by the DNS service provider.
Private DNS
private DNS operates within specific organizations or networks. It is not accessible from the public internet and is intended for internal use. Private DNS servers resolve domain names to IP addresses within a closed network environment. This setup provides organizations with greater control over configuration, security policies, and privacy measures, allowing for customized management of internal resources and services. Access to private DNS is restricted to authorized devices within the organization's network.