How do you test your IPv6 connectivity?

The best way to do this is go to this site which provides many other sites from where you can search. Go here directly:

http://test-ipv6.com/

You get both the IPv4 and IPv6 of your ISP. You also get related information about your ISP.

Intentionally some parts of IPv4 and IPv6 are sliced off.

How to find the WAN IP Address?

Your local network is behind a router which is connected to your Internet Provider. All traffic coming to your computer is via your router which then routes the traffic to your local IP Address.

One way to find your WAN IP address, the address assigned to you by your Internet Provider is go to the site.

http://getmywanip.com/

Which immediately responds by showing your WAN IP Address as well as your host server as shown for my ISP Provider:

WANIPFinder.png