iwahiro.com.		30 IN SOA ddns1.interlink.or.jp. root.ddns1.interlink.or.jp. (
				1          ; serial
				86400      ; refresh (1 day)
				14400      ; retry (4 hours)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)

iwahiro.com.		30 IN TXT "v=spf1 +mx ~all"

iwahiro.com.		30 IN A	203.141.142.18

Mail exchangers:
iwahiro.com.		30 IN MX 10 po.iwahiro.com.

Name servers:
iwahiro.com.		30 IN NS ddns1.interlink.or.jp.
iwahiro.com.		30 IN NS ddns2.interlink.or.jp.