How to write an abuse to a hoster about a scammer?

Question

Network administration

start-exchange.com
finechange.com
on-exchange.com
ruexchange.net
Fraudsters, they promise to exchange electronic currencies and don't sell it, I want to write to the hoster an abuse to disconnect the client, how to do it correctly?
IPshink 94.249.143.6, soap for [email protected]

Answer 1

$ whois ruexchange.net
Registrar: REGTIME LTD.
Whois Server: whois.webnames.ru At
the same time, you can file a complaint with the valiant police if you have time and desire. Well, or at least the registrar.

Answer 2

There is no special format. Write as it is with all the logs, evidence, correspondence and more. Keyword "Internet fraud".
Perhaps the hoster will require a lawsuit against them or something like that if suddenly your message seems controversial or there is not enough evidence.