city.mikasa.hokkaido.jp	IN	MX	relay.city.mikasa.hokkaido.jp.
city.mikasa.hokkaido.jp	IN	NS	ns002-6v25rc7rj3fh0qk0.6.d-53.info.
city.mikasa.hokkaido.jp	IN	NS	ns002-6v25rc7rj3fh0qk0.6.d-53.jp.
city.mikasa.hokkaido.jp	IN	NS	ns002-6v25rc7rj3fh0qk0.6.d-53.net.