city.obihiro.hokkaido.jp	IN	MX	mail.city.obihiro.hokkaido.jp
city.obihiro.hokkaido.jp	IN	NS	dns-b.iij.ad.jp
city.obihiro.hokkaido.jp	IN	NS	dns-c.iij.ad.jp
tokachi.obihiro.hokkaido.jp	IN	MX	compass.nissan.co.jp
tokachi.obihiro.hokkaido.jp	IN	NS	ns00.vips.ne.jp
tokachi.obihiro.hokkaido.jp	IN	NS	ns01.vips.ne.jp