Advanced notice :
We will be upgrading wiki.geant.org from the current version of Confluence Server to the current LTS version 8.5. During the maintenance window we expect that there will be an outage of 20 minutes.
Maintenance start time: 22/10/2024 16:00 UTC. Maintenance end time: 22/10/2024 18:00 UTC.
...
The "Register this connection's addresses in DNS" option has been deselected, because this causes DNS registration requests to go out, which we do not want. Eventually things look like this:
NTP
At the time of writing, the default time server that is used by Windows 2008 R2 to sync its clock, time.windows.com, unfortunately is not (yet) reachable over IPv6.
But again, SURFnet comes to the rescue, because several of their NTP servers are IPv6-enabled. I picked chime3.surfnet.nl, which, according to the web interface, appears to be a Meinberg NTP server. Windows seems to dig it: