Hi Yanto.Chiang,
Also good to keep an eye out for the results on this site: http://www.reputationauthority.org/toptens.php You can also make a look up for a certain domain, example: http://www.reputationauthority.org/domain_lookup.php?ip=Helicopterremotecontrolled.org.kr&Submit.x=6&Submit.y=10&Submit=Search (all green) and a full 100 here: http://www.webutation.net/en/review/hostlogr.com?req=chrome
pol