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Development: DNS + Postfix Outage

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linux-howto

http://permalink.gmane.org – DNS Outage --- While upgrading the l10n.gnome.org machine, I hit a few issues while upgrading the bind9 package that was failing to restart for an openssl error. (which seems to be known, [1]) The same machine hosted our secondary DNS server but that wasn't a problem since our main host (clipboard) was actually up and running. Suddenly all the DNS zones got dropped and all GNOME services were actually unreachable. After a wider look at the Whois informations, we actually found out our old main DNS server (menubar) was still being listed as a nameserver, but no DNS services were host (Software)