They've figured out that you're using a VPN, that's all. Connections made on wifi can be checked to see if a VPN is being used, as long as whoever is checking the connections has suitable access to the Wi-Fi access point or the router. Looking at the traffic & seeing encrypted connections going to the same IP address will indicate the possible use of a VPN. Therefore, If you're using a VPN, it's important to go with the one you trust. By the way, at bestvpnprovider.co, you can find more information on how to find a ufc stream and watch it securely.
