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
city.kokubunji.tokyo.jp	IN	TXT	v=spf1 a:relay-ex.tokyo-isc.jp +ip4:117.20.75.128/28 +ip4:61.117.183.112/28 include:sg-p.jp ~all