Since the latest ongoing maintenance, we can not connect with our server nickname. I guess this is related since the IP was also deleted in myteamspeak, but I added it back and still no function. Yes, it was used daily so it does not expire.
The resolution part of the server nicknames is pretty straightforward:
you can try to enter https://named.myteamspeak.com/lookup?name= in your browser. If it shows your server’s address, it’s working.
Then of course there’s always different possiblities for network related issues that are out of our grasp.