city.nagano.nagano.jp	IN	NS	ns1.naganoken-sc.jp.
city.nagano.nagano.jp	IN	NS	ns2.naganoken-sc.jp.
hospital.nagano.nagano.jp	IN	MX	mail1.hospital.nagano.nagano.jp.
hospital.nagano.nagano.jp	IN	NS	ns10.janis.or.jp.
hospital.nagano.nagano.jp	IN	NS	ns20.janis.or.jp.