Need help with IPV6 teamspeak server connections and Airport Extreme Port Forwarding

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Hello, I have created a private teamspeak server for my friends and I to use while we play games and what not instead of skype and it used really well for a while until I started having internet issues and replaced my router which deleted my port forwarding and I didn't host a server for a while... Need help with IPV6 teamspeak server connections and Airport Extreme Port Forwarding