I am in beijing, and I can't access nodebb website or community without shadowsocks, I think maybe the China GFW block it. If nodebb need more people to use it. This problem should be solved, maybe build a mirror website?
Check out the event lot page in the ACP (under advanced). The user's deletion event should have been logged, and the IP address should have been saved.
... as long as your NodeBB is new enough, that is
