csw.kr.			30 IN SOA ns-1454.awsdns-53.org. awsdns-hostmaster.amazon.com. (
				1          ; serial
				7200       ; refresh (2 hours)
				900        ; retry (15 minutes)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

Name servers:
csw.kr.			30 IN NS ns-1454.awsdns-53.org.
csw.kr.			30 IN NS ns-1704.awsdns-21.co.uk.
csw.kr.			30 IN NS ns-378.awsdns-47.com.
csw.kr.			30 IN NS ns-935.awsdns-52.net.