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

minibird.jp.		30 IN A	162.43.112.248

Mail exchangers:
minibird.jp.		30 IN MX 0 mail.minibird.jp.

Name servers:
minibird.jp.		30 IN NS ns3.minibird.jp.
minibird.jp.		30 IN NS ns2.minibird.jp.
minibird.jp.		30 IN NS ns1.minibird.jp.