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city.omura.nagasaki.jp	IN	NS	dns1.broadline.ne.jp
city.omura.nagasaki.jp	IN	NS	dns2.broadline.ne.jp
city.omura.nagasaki.jp	IN	NS	ns.city.omura.lg.jp
city.omura.nagasaki.jp	IN	NS	ns.city.omura.nagasaki.jp
city.omura.nagasaki.jp	IN	NS	ns-kg022.ocn.ad.jp