city.kokubunji.tokyo.jp	IN	MX	mail-ex.tokyo-isc.jp
city.kokubunji.tokyo.jp	IN	MX	snjsecmail.city.kokubunji.tokyo.jp
city.kokubunji.tokyo.jp	IN	NS	dns.ntt-bizlink.jp
city.kokubunji.tokyo.jp	IN	NS	dns10.nttbiz.com