Google “Private DNS” with Android 9

Android 9 supports "Private DNS" which uses DNS-over-TLS to provide security and privacy for your DNS queries. You can configure it with the following steps.

1. Go to "Settings" → "Network & Internet" → "Advanced" → "Private DNS".
2. Select Private DNS provider hostname.
3. Enter dns.google as the hostname of the DNS provider.
4. Click Save.

https://developers.google.com/speed/public-dns/docs/using

https://android-developers.googleblog.com/2018/04/dns-over-tls-support-in-android-p.html