town.tsubetsu.hokkaido.jp	IN	A	210.148.107.50
town.tsubetsu.hokkaido.jp	IN	MX	relay.town.tsubetsu.hokkaido.jp
town.tsubetsu.hokkaido.jp	IN	NS	dns-b.iij.ad.jp
town.tsubetsu.hokkaido.jp	IN	NS	dns-c.iij.ad.jp