city.iiyama.nagano.jp	IN	MX	mx2nd11.naganoken-sc.jp
city.iiyama.nagano.jp	IN	MX	mx2nd12.naganoken-sc.jp
city.iiyama.nagano.jp	IN	NS	ns1.naganoken-sc.jp
city.iiyama.nagano.jp	IN	NS	ns2.naganoken-sc.jp
city.iiyama.nagano.jp	IN	TXT	v=spf1 ip4:114.179.204.0/23 ip4:114.179.206.0/24 ~all