elecmaster.com.		30 IN SOA ns3.hostcenter.co.kr. root.elecmaster.com. (
				2010022819 ; serial
				21600      ; refresh (6 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

elecmaster.com.		30 IN A	221.143.20.101

Name servers:
elecmaster.com.		30 IN NS ns4.hostcenter.co.kr.
elecmaster.com.		30 IN NS ns3.hostcenter.co.kr.