Jan 11, 2018

IPv6-test.com is a free service that checks your IPv6 and IPv4 connectivity and speed. Diagnose connection problems, discover which address(es) you are currently using to browse the Internet, and what is your browser's protocol of choice when both v6 and v4 are available. Test Your DNS Servers - RouterSecurity.org Jun 14, 2020 IPv6 | OpenDNS OpenDNS now supports IPv6 addresses — meaning that, by using the OpenDNS Sandbox, you’ll be able to resolve your DNS using IPv6 DNS servers. Why IPv6? IPv6 supports a far larger number of addresses than IPv4, which is why the change is taking place now — since IPv4 was implemented in 1981, the Internet has grown dramatically, and there

Google Public DNS64 | Google Developers

May 27, 2020 · Step 4: Select Internet Protocol Version 6 (TCP/IPv6) on the list and click the Properties button. Step 5: In the pop-up window, change the current DNS setting to Use the following DNS server

And if you have IPv6 enabled without the Ipv6 DNS you can run dcdiag /test:dns you will receive errors stating that DNS servers could not be contacted. Trust me I fix this issue on a regular here on EE. If there is not ::1 there is no loopback on to a DNS server for IPv6 which will again cause errors.

As currently, you are using the dual-stack network (IPv4 and IPv6) in your lab and didn't assign the IPv6 address to the DNS server so it is ok, you will use only IPv4 DNS server. But as you mentioned that you want to migrate or use IPv6 network only then we recommend you first migrate your important servers and services in the IPv6 address as Best free and public DNS servers in 2020 | TechRadar Jun 18, 2020 DNS servers in United Kingdom - Public DNS Server List