IPv6 testing

When trying to get on-to the IPv6 Internet, here are a couple of links to do diagnostics:

• http://www.subnetonline.com/pages/ipv6-network-tools/online-ipv6-ping.php
  This actually contain generic network tools.
• http://ds.testmyipv6.com/
  Confirm if your browser is connecting through IPv6
• http://test-ipv6.com/
  Check also DNS