My server not show in server list

I have a problem, that my server didnt show up un server list.
Also not in history.

I dont have specific characters and color code. My server name for test is MixNets.
Servers is not moded. I run it on windows platform. And it is not Legacy.

I can connect with client.connect IP:PORT
Also all other can connect trough console, but it didnt show up in server list.

Anyone can help me with it?