These websites are known to have been using ns2.sangchul.kr as their DNS nameserver.
변군이글루http://pageoverview.com/website-report/sangchul.kr
변군이글루, 네임서버, bind, 리눅스, 원도우, 솔라리스, linux, windows, apache, php, mysql, zend, 변군이글루스, sangchul.kr, 변군, 변상철, scbyun, anti1346, http