http://cache-doxu.rhcloud.com/
There isn't any host, broken.

http://fascination77.free.fr/cachechu/
Fatal error, completely not working.

http://59.175.238.8:9030/beacon2/gwc.php
It doesn't have a dns, it is strange.
Also the gnutella2 part works while the gnutella part seems to be broken.

http://cache.trillinux.org/g2/bazooka.php
Broken or hacked, it return hosts with negative age.
It return urls but it doesn't accept the submission of them so it return forever already deleted urls (this is what cause GWCs to be queried also when deleted from a lot of time)


Please anyone that know the people hosting them, let them know the problems.
I'm here to help if needed.

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Skulls! Multi-Network WebCache