to.cx.			30 IN SOA ns01.kix.ad.jp. root.stepserver.jp. (
				2006050814 ; serial
				7200       ; refresh (2 hours)
				1800       ; retry (30 minutes)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

Name servers:
to.cx.			30 IN NS NS02.KIX.AD.JP.
to.cx.			30 IN NS ns01.KIX.AD.JP.