woori21.org.		30 IN SOA ns.nskorea.com. server.jungbo.net. (
				2022000000 ; serial
				28800      ; refresh (8 hours)
				86400      ; retry (1 day)
				3600000    ; expire (5 weeks 6 days 16 hours)
				86400      ; minimum (1 day)
				)

woori21.org.		30 IN A	222.231.2.20

Mail exchangers:
woori21.org.		30 IN MX 100 mail4.ymail.net.

Name servers:
woori21.org.		30 IN NS ns2.nskorea.com.
woori21.org.		30 IN NS ns3.nskorea.com.
woori21.org.		30 IN NS ns.nskorea.com.