IPv6 to PTR record and MAC address calculator

A nice IPv6 to PTR record online calculator ( if you ignore the typo of “to to” within the header )

http://rdns6.com/

A MAC address to IPv6 link-local address online converter

http://ben.akrin.com/?p=1347

Some good test web server

http://test-ipv6.com/ - Gives a lot of information about your IPv6 but not always correct.

http://www.kame.net/ - Here you should see a swimming turtle if you are IPv6 ready.