http://www.gametracker.com/server_info/voice.pwnt.dk:9987/

It's reported as dead, but the list of people are up to date when you visit that page?

And other stats pages has no problem receiving info.

What's going on? (and yes, your ips are whitelisted)

It seems there is an issue with the player list being cached after being down. Unless other's report the issue, it's probably not worth looking into.

In terms of getting your server to show as online again, you'll need to determine which IPs you have blocked and unblock appropriately:

208.167.241.190
208.167.241.185
208.167.241.186
208.167.241.183
208.167.241.189
108.61.78.147
108.61.78.148
108.61.78.149
108.61.78.150

It seems like it's up again, but just to give you some more info. So you know in case this happens to others or whatever.

The player list as "up to date", it I changed channel, it would update the player list on GameTracker too.

The gametracker IP's has always been whiteliste (although there aren't any blacklist or other stuff on..)
And other stats providers didn't have any problem with seeing the server and gather the information.

Where it went wrong, I don't know. But it is strange.. Lets hope it doesn't happen again to anyone