ghtv.kr.		30 IN SOA GHTV. hostmaster. (
				21         ; serial
				900        ; refresh (15 minutes)
				600        ; retry (10 minutes)
				86400      ; expire (1 day)
				3600       ; minimum (1 hour)
				)

ghtv.kr.		30 IN A	221.154.146.204

Name servers:
ghtv.kr.		30 IN NS ghtv.
ghtv.kr.		30 IN NS ghtv.ghtv.kr.
ghtv.kr.		30 IN NS ns.ghtv.kr.