icdu.kr.		30 IN SOA ns-351.awsdns-43.com. awsdns-hostmaster.amazon.com. (
				1          ; serial
				7200       ; refresh (2 hours)
				900        ; retry (15 minutes)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

icdu.kr.		30 IN A	13.125.143.123

Name servers:
icdu.kr.		30 IN NS ns-1346.awsdns-40.org.
icdu.kr.		30 IN NS ns-1657.awsdns-15.co.uk.
icdu.kr.		30 IN NS ns-351.awsdns-43.com.
icdu.kr.		30 IN NS ns-515.awsdns-00.net.