2hz.org.		300 IN SOA 2hz.org. root.mydns.jp. (
				1500925833 ; serial
				600        ; refresh (10 minutes)
				180        ; retry (3 minutes)
				600        ; expire (10 minutes)
				300        ; minimum (5 minutes)
				)

2hz.org.		300 IN A 183.76.16.20

Mail exchangers:
2hz.org.		300 IN MX 10 2hz.org.

Name servers:
2hz.org.		300 IN NS ns0.mydns.jp.
2hz.org.		300 IN NS ns1.mydns.jp.
2hz.org.		300 IN NS ns2.mydns.jp.