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- VMware ESXi, Vcenter, VCB. These SHOULD work on IPv6. Curious if they really work on IPv6 only...
- Google whitelistinng our DNS servers.
- In 2010 we moved to SURFMailFilter. This means that all our MX records point to those mailservers, and that our servers only need to accept mail from the SURFMailFilter servers. These are run by SURFnet and are almost all dual stack. Once they all run dual stack, we can stop accepting mail over IPv4.
- Reconfigure Nagios checks so that either IPv6, IPv4, or both are monitored.