dongyoung.org.		30 IN SOA ns.domain21.com. taeki.domain21.com. (
				2022011301 ; serial
				21600      ; refresh (6 hours)
				1800       ; retry (30 minutes)
				1209600    ; expire (2 weeks)
				864        ; minimum (14 minutes 24 seconds)
				)

dongyoung.org.		30 IN A	61.100.0.174

Name servers:
dongyoung.org.		30 IN NS ns.domain21.com.
dongyoung.org.		30 IN NS ns2.domain21.com.