information.jp.		30 IN SOA ns1.star-domain.jp. root.sv0.star-domain.jp. (
				0          ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

Name servers:
information.jp.		30 IN NS ns3.star-domain.jp.
information.jp.		30 IN NS ns1.star-domain.jp.
information.jp.		30 IN NS ns2.star-domain.jp.