Possible solutions of your questions

Hello. why did you decide that the website is not working? the website works fine http://tools.pingdom.com/fpt/#!/cPp5hm/dleservice.EN

please Do a trace to Your domain: start - run - enter cmd - in the black window enter tracert YOUR DOMAIN - after click to highlight - making enter - skopirovat here in the ticket

If You are experiencing zatrudina, view instructional videos http://ded07.net/helphost/tracert.htm

what exactly and how you did?

your ip has been blocked by the firewall for port scan

Temporary Blocks: IP:IP Port: Dir:in TTL:3600 (lfd - *Port Scan* detected from IP (BY/Belarus/-). 11 hits in the last 246 seconds

of course it does, we have unblocked your ip? but the question remains, what exactly and how you did?