Teamspeak 3 has a great built in feature to allow you to have your server come up through its public listings. This is great for gaming communities or organizations to expand on membership and or regulars. Its quite easy for you to Enable to Disable this feature at any time!
Step1: From within your Teamspeak 3 server right click your server name at the top and click on Edit Virtual Severs
Step2: Click on More or the Down Arrow
Step3: Click on Misc and at the bottom you can "check" or "uncheck" the box infront of Enable reporting to server list if you choose to have your server publicly displayed or not.
It's that easy to grow your own gaming community!