px2.jp.			30 IN SOA ns-1188.awsdns-20.org. awsdns-hostmaster.amazon.com. (
				1          ; serial
				7200       ; refresh (2 hours)
				900        ; retry (15 minutes)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

px2.jp.			30 IN TXT "v=spf1 ip4:220.110.184.149 ip4:211.125.90.169 ~all"

Mail exchangers:
px2.jp.			30 IN MX 10 mail2.px2.jp.

Name servers:
px2.jp.			30 IN NS ns-100.awsdns-12.com.
px2.jp.			30 IN NS ns-1188.awsdns-20.org.
px2.jp.			30 IN NS ns-1919.awsdns-47.co.uk.
px2.jp.			30 IN NS ns-916.awsdns-50.net.