it forced me to write down this after longtime in hibernation. The constant "loading" message with sudarshan chakra has been the problem from the past but this time it's on your face (too big now). It didn't load promised as usual so I clicked "stop" and click the other 2 threads but nothing happened as it would not move. I gave up and hit the reload and i  got this threatening message. As far as  I know,    DOS attack takes a huge number of attempts and requires more than one machine. Simply something wrong with your script or server which cannot even take 4/5 clicks but why the burden is on visitor to contact admin who has done nothing wrong and don't want to go through the hassel? But the fear looms constantly on him/her who may have to go another hassel by mistake if do not contact. This is simply encouraging not to visit your site multiple times or if  you do, atleast make sure the browser has no reload button. Is that that the message here?