renshujo.jp.		30 IN SOA ns1.blueblock.jp. admin.ns1.blueblock.jp. (
				1725849551 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				600        ; minimum (10 minutes)
				)

renshujo.jp.		30 IN A	59.106.107.7

Name servers:
renshujo.jp.		30 IN NS ns1.blueblock.jp.