undefin.net.		30 IN SOA 01.dnsv.jp. hostmaster.dnsv.jp. (
				1663631330 ; serial
				3600       ; refresh (1 hour)
				900        ; retry (15 minutes)
				604800     ; expire (1 week)
				300        ; minimum (5 minutes)
				)

undefin.net.		30 IN A	160.251.151.137

Mail exchangers:
undefin.net.		30 IN MX 10 mail.undefin.net.

Name servers:
undefin.net.		30 IN NS 01.dnsv.jp.
undefin.net.		30 IN NS 02.dnsv.jp.
undefin.net.		30 IN NS 03.dnsv.jp.
undefin.net.		30 IN NS 04.dnsv.jp.