city.okinawa.okinawa.jp	IN	MX	mail1.city.okinawa.okinawa.jp
city.okinawa.okinawa.jp	IN	MX	mail2.city.okinawa.okinawa.jp
city.okinawa.okinawa.jp	IN	NS	ns1.city.okinawa.okinawa.jp
city.okinawa.okinawa.jp	IN	NS	ns2.city.okinawa.okinawa.jp
city.okinawa.okinawa.jp	IN	TXT	v=spf1 +ip4:210.148.188.227 +ip4:210.148.188.228 +ip4:210.148.188.229 +ip4:210.148.188.230 +ip4:210.129.147.185 ~all