city.kushiro.hokkaido.jp	IN	NS	dns-b.iij.ad.jp
city.kushiro.hokkaido.jp	IN	NS	dns-c.iij.ad.jp
town.kushiro.hokkaido.jp	IN	A	49.212.237.65
town.kushiro.hokkaido.jp	IN	MX	town.kushiro.hokkaido.jp
town.kushiro.hokkaido.jp	IN	NS	ns1.dns.ne.jp
town.kushiro.hokkaido.jp	IN	NS	ns2.dns.ne.jp