I think it's a Russian server, I'm not Russian, and I used google translate to understand your reply.
I will attach a screenshot, it's the server which is highlighted:
hey! It's like a week that I've started playing BF3 on ZLO, it's such a great experience, but sometimes I can't join some specific servers, what is wrong? I've read FAQ and I got all DLCs... PLEASE HELP ME!