cleanenergy.co.kr.	30 IN SOA ns.domainca.com. root.domainca.com. (
				1619860015 ; serial
				1800       ; refresh (30 minutes)
				600        ; retry (10 minutes)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

cleanenergy.co.kr.	30 IN A	121.254.178.250

Name servers:
cleanenergy.co.kr.	30 IN NS ns.domainca.com.
cleanenergy.co.kr.	30 IN NS ns2.domainca.com.