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[spyto]

Pour moi, c'est toujours pareil ! Eset me bloque toutes les pages en co.cc, et je trouve ça normal !

C'est un repaire de phishing et de spammers. La preuve :
http://threatpost.com/en_us/blogs/google-removes-cocc-subdomains-over-phishing-spam-concerns-070611
ou :
http://en.wikipedia.org/wiki/.cc
Ce pargraphe est très instructif :

Citation :co.cc

The CO.CC company offers two free co.cc subdomains, as well as bulk discounts for ordering as many as 15,000 domain names at a time. These domains have been used by spammers to create spam blogs, or "splogs," often with nonsense names like "extensitiesdiminutal.co.cc" and the like but all registrants are in fact subject to a terms of service prohibiting standard illegalities.

Step-by-step instructions for registrants on how to use well known hosting services like Blogger, Windows Live, and Google Apps are included on its homepage.

Due to previously large use by website spammers of sub-domains from co.cc, in July 2011 Google removed over 11 million .co.cc websites from its search results. Google's JohnMu recommended that individuals who have legitimate sites (in line with Google's Webmaster Guidelines) on the .co.cc subdomain send a reconsideration request to Google to have their specific site excluded from the ban.

The abundance of cheap .co.cc domains has also been used by those who sell fake "anti-virus" programs.[

J'ai mis en gras les passages les plus significatifs.
Je n'aurai qu'un conseil : change de nom de domaine, c'est gratuit, mais c'est pourri.

Edit : quelques infos supplémentaires en français :
http://www.generation-nt.com/google-spam-index-recherche-co-cc-actualite-1226901.html
http://www.solutions-logiciels.com/actualites.php?titre_actu=Google-dereference-11-millions-de-sites-en-cocc-!&actu=9978

et tu en trouveras d'autres !