16 DNS NS record assets at ns2.keris.or.kr.
edunet.net
medlis.kr
rinfo.kr
edunet4u.co.kr
kocw.or.kr
riss.kr
edunet4u.net
keric.net
kocw.kr
kmooc.net
edunet.kr
xn--vb0b6f567cs4f.net
kocw.net
keris.or.kr
kocwc.com
koer.kr