f12.jp.			30 IN SOA ns1.star-domain.jp. root.star-domain.jp. (
				0          ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

f12.jp.			30 IN TXT "v=spf1 +a:sv90.star.ne.jp +a:f12.jp +mx
include:spf.sender.netowl.jp ~all"

f12.jp.			30 IN A	157.112.187.137

Mail exchangers:
f12.jp.			30 IN MX 0 f12.jp.

Name servers:
f12.jp.			30 IN NS ns2.star-domain.jp.
f12.jp.			30 IN NS ns3.star-domain.jp.
f12.jp.			30 IN NS ns1.star-domain.jp.