A default tackle collection mechanism, or preferred protocol, needs to be configured either on hosts or even the DNS server. The IETF has printed Delighted Eyeballs to help twin-stack purposes, so which they can join working with both IPv4 and IPv6, but favor an IPv6 connection if it is obtainable. https://zanewrouc.xzblogs.com/67672683/not-known-factual-statements-about-whatsmyipv6