studyon.co.kr.		30 IN SOA ns1.hosting.co.kr. admin.studyon.co.kr. (
				9          ; serial
				21600      ; refresh (6 hours)
				1800       ; retry (30 minutes)
				1209600    ; expire (2 weeks)
				180        ; minimum (3 minutes)
				)

studyon.co.kr.		30 IN A	99.83.248.72
studyon.co.kr.		30 IN A	75.2.0.44

Name servers:
studyon.co.kr.		30 IN NS ns2.hosting.co.kr.
studyon.co.kr.		30 IN NS ns1.hosting.co.kr.
studyon.co.kr.		30 IN NS ns3.hosting.co.kr.
studyon.co.kr.		30 IN NS ns4.hosting.co.kr.