Fritz!Box 7930: IPv6 Ping Timeout

[xocii]

First of all: I have an bad english, sorry!

Hello,

My Problem is, that the connecting to the tunnel works, but after then the connection stops with an TimeOut.
Websites/DNS are requested by IPv4.
Whats Wrong?

Code:

C:\Users\Benutzername>tracert -R wikipedia.org
Routenverfolgung zu wikipedia.org [2620:0:860:ed1a::1] �ber maximal 30 Abschnitte:
  1     2 ms     2 ms     2 ms  fritz.box [2001:470:71:f4:*****:****:****:*****]
  2    50 ms    61 ms    53 ms  xocii-2.tunnel.tserv28.waw1.ipv6.he.net [2001:470:70:f4::1]
  3     *        *        *     Zeit�berschreitung der Anforderung.
  4     *        *        *     Zeit�berschreitung der Anforderung.
  5     *        *        *     Zeit�berschreitung der Anforderung.
  6     *        *        *     Zeit�berschreitung der Anforderung.
  7     *        *        *     Zeit�berschreitung der Anforderung.
  8     *        *        *     Zeit�berschreitung der Anforderung.
  9     *        *        *     Zeit�berschreitung der Anforderung.

Tunnel Configs:

Code:

IPv6 Tunnel Endpoints
Server IPv4 Address:216.66.80.162
Server IPv6 Address:2001:470:70:f4::1/64
Client IPv6 Address:2001:470:70:f4::2/64
Available DNS Resolvers
Anycasted IPv6 Caching Nameserver:2001:470:20::2
Anycasted IPv4 Caching Nameserver:74.82.42.42

Best Regards
xocii