multiply-crypt.com - spam
bigdoubler.com - spam
[Suspicious link removed].com - spam
cryptocoinx2.com - spam
bitget.in - spam
golden-gator.com - spam
bit-e.cf - spam
120bitcoins.com - spam
www.investbtc.net - spam
cryptotriple.org - spam
btc2me.com - spam
fordouble.com - spam
x2bit.com - spam
coinprofit.org - spam

Anybody need to test his/her skills ?  


PM me with nonspam doublers quality reflinks for exchange.