yahoofs.jp.		30 IN SOA yahoofs.jp. postmaster.yahoofs.jp. (
				2312260000 ; serial
				1800       ; refresh (30 minutes)
				900        ; retry (15 minutes)
				864000     ; expire (1 week 3 days)
				900        ; minimum (15 minutes)
				)

Name servers:
yahoofs.jp.		30 IN NS ns12.yahoo.co.jp.
yahoofs.jp.		30 IN NS ns11.yahoo.co.jp.
yahoofs.jp.		30 IN NS ns01.yahoo.co.jp.
yahoofs.jp.		30 IN NS ns02.yahoo.co.jp.