riok.net.		30 IN SOA 01.dnsv.jp. hostmaster.dnsv.jp. (
				1629197940 ; serial
				3600       ; refresh (1 hour)
				900        ; retry (15 minutes)
				604800     ; expire (1 week)
				300        ; minimum (5 minutes)
				)

riok.net.		30 IN TXT "v=spf1 ip4:202.172.26.28 ~all"

riok.net.		30 IN A	202.172.26.28

Mail exchangers:
riok.net.		30 IN MX 10 mail.riok.net.

Name servers:
riok.net.		30 IN NS 01.dnsv.jp.
riok.net.		30 IN NS 02.dnsv.jp.
riok.net.		30 IN NS 03.dnsv.jp.
riok.net.		30 IN NS 04.dnsv.jp.