Mar 18, 2020
The IPv6 prefix is the equivalent of a WAN address in IPv4. It’s provided by your Internet Service Provider (ISP). Routers and clients use the prefix to assign the rest of the address and generate Google Public DNS IPv6 addresses - Google Groups configuration of Google Public DNS over IPv6. In the meantime, systems with IPv6 support can use Google Public DNS over IPv6 by changing the system DNS server settings to use one or both of the DNS Server List, Fastest IPv4 IPv6 DNS Address ⋆ BEST Oct 05, 2018
Google Public DNS
Google IPv6 Public DNS Support - DNS Knowledge Apr 24, 2011
Ping IPv6 Address Online - IPv6 Ping
Aug 30, 2017 1.1.1.1 — the Internet’s Fastest, Privacy-First DNS Resolver