Once the DNS is back up they need to basically reboot every service. Once server one can’t talk to server two, everything is out of sync and they need to resolv

Once the DNS is back up they need to basically reboot every service. Once server one can’t talk to server two, everything is out of sync and they need to resolve this somehow. They probably have mitigation plans for a few data centers going down, but when it’s all of them at once, that’s going to be a huge pain.