iom.jp.			21599 IN SOA ns1.futurismworks.jp. admin.futurismworks.jp. (
				2018100900 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

iom.jp.			21599 IN TXT "v=spf1 ip4:210.188.245.20 ip4:210.188.245.241 ~all"

iom.jp.			21599 IN A 210.188.245.20

Mail exchangers:
iom.jp.			21599 IN MX 3 fs02.futurismworks.jp.
iom.jp.			21599 IN MX 5 fs01.futurismworks.jp.

Name servers:
iom.jp.			21599 IN NS ns1.futurismworks.jp.
iom.jp.			21599 IN NS ns2.futurismworks.jp.