you can set up a local DNS resolver with Unbound on Ubuntu.
Important Notes:
Unbound is a validating, recursive, and caching DNS resolver, which means it will improve your DNS lookup speed and security.
Make sure no other service is using port 53 before starting Unbound.
You can customize the configuration file further to suit your needs.
Consider setting up a firewall to protect your DNS resolver.
By following these steps, you can set up a local DNS resolver with Unbound on Ubuntu.