city.izunokuni.shizuoka.jp	IN	MX	mailgwsc.oneoffice.jp
city.izunokuni.shizuoka.jp	IN	NS	ns1.a0.impervasecuredns.net
city.izunokuni.shizuoka.jp	IN	NS	ns1.a1.impervasecuredns.net
city.izunokuni.shizuoka.jp	IN	NS	ns1.a2.impervasecuredns.net