You may want to ask for help in their forum:
http://forum.thehunter.com/
The ping report indeed lists minor incidents:
http://stats.pingdom.com/cb2n3tfswdr4
I played a long session last night (UTC+1 over here), and had no porblem at all, just three times member palyer dropping in, and very fast in the middle of the sentence dropping out again. That is normal for guests, but unusual for most members.