hello.ac.		30 IN SOA ns1.wpx.ne.jp. root.wpx.ne.jp. (
				0          ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

hello.ac.		30 IN TXT "v=spf1 +a:sv4110.wpx.ne.jp +a:hello.ac +mx
include:spf.sender.xserver.jp ~all"

hello.ac.		30 IN A	162.43.107.111

Mail exchangers:
hello.ac.		30 IN MX 0 hello.ac.

Name servers:
hello.ac.		30 IN NS ns1.wpx.ne.jp.
hello.ac.		30 IN NS ns2.wpx.ne.jp.
hello.ac.		30 IN NS ns3.wpx.ne.jp.