library.koganei.tokyo.jp	IN	MX	smtp.library.koganei.tokyo.jp
library.koganei.tokyo.jp	IN	NS	dns101-1.jp1.ecl.ntt.com
library.koganei.tokyo.jp	IN	NS	dns101-2.uk1.ecl.ntt.com
library.koganei.tokyo.jp	IN	NS	dns101-3.us1.ecl.ntt.com
library.koganei.tokyo.jp	IN	NS	dns101-4.sg1.ecl.ntt.com