lib.hitachinaka.ibaraki.jp	IN	A	153.150.52.170
lib.hitachinaka.ibaraki.jp	IN	MX	mail.lib.hitachinaka.ibaraki.jp
lib.hitachinaka.ibaraki.jp	IN	NS	ns-tk022.ocn.ad.jp
lib.hitachinaka.ibaraki.jp	IN	NS	ns.lib.hitachinaka.ibaraki.jp
lib.hitachinaka.ibaraki.jp	IN	TXT	v=spf1 +mx include:_spf.google.com -all