//	/etc/named.conf
options {
	directory "/var/named";
};
zone "." {
	type hint;
	file "root.cache";
};
zone "0.0.127.in-addr.arpa." {
	type master;
	file "0.0.127.in-addr.arpa";
};

zone "atheneum.co.jp." {
	type slave;
	file "atheneum.co.jp.bak";
	masters { 61.***.***.113; };
};
zone "****.jp." {
	type slave;
	file "****.jp.bak";
	masters { 61.***.***.113; };
};
zone "112.***.***.61.in-addr.arpa" {
	type slave;
	file "112.***.***.61.in-addr.arpa.bak";
	masters { 61.***.***.113; };
};