The servers under the domain freeciv-debian.ns0.it are completely independent from civland.org, so they're happening to be down for another different issue. I'll check them lather.
Instead, the greatturn.org servers listed on meta do depend upon civland.org, because their DNS name is provided by civland.org. If civland.org should go offline, greatturn.org would become unreachable too, causing the GT game servers to be listed on meta with a different name. (they wouldn't go offline, anyway).
Yes I'm upgrading the server OS and many services went down during the setup; some even required bugfixing as the upgrade introduced one bug in each of three specific software packages. Namely, it's been at least 4 years that Debian has got a broken zoneinfo file for Rome and San Marino, which nobody has yet reported upstream for fixing, and which results in the system clock being skewed, in turn causing network cryptography to stop working (no SSL, no Bind9, hence no DNS). Beside that, the network daemon also stopped working after the upgrade, because one of the source files of the daemon (/etc/init.d/networking) was missing to create an essential directory during the bootstrap (mkdir /run/network/). Then PHP5 had his troubles too.
But anyway, for what concerns civland.org I'm expecting everything to function well from now on, hence any anomalies should be reported.