library.mizuho.tokyo.jp	IN	A	140.227.240.141
library.mizuho.tokyo.jp	IN	MX	library.mizuho.tokyo.jp
library.mizuho.tokyo.jp	IN	NS	asns1.customer.ne.jp
library.mizuho.tokyo.jp	IN	NS	asns2.customer.ne.jp
town.mizuho.tokyo.jp	IN	MX	mail-ex.tokyo-isc.jp
town.mizuho.tokyo.jp	IN	NS	dns3.town.mizuho.tokyo.jp
town.mizuho.tokyo.jp	IN	NS	dns4.town.mizuho.tokyo.jp
town.mizuho.tokyo.jp	IN	NS	dns5.town.mizuho.tokyo.jp
town.mizuho.tokyo.jp	IN	NS	dns6.town.mizuho.tokyo.jp