javaroad.jp.		30 IN SOA master.dns.ne.jp. tech.sakura.ad.jp. (
				2019032300 ; serial
				3600       ; refresh (1 hour)
				900        ; retry (15 minutes)
				3600000    ; expire (5 weeks 6 days 16 hours)
				3600       ; minimum (1 hour)
				)

javaroad.jp.		30 IN TXT "v=spf1 +mx ~all"

javaroad.jp.		30 IN A	153.120.11.67

Mail exchangers:
javaroad.jp.		30 IN MX 10 javaroad.jp.

Name servers:
javaroad.jp.		30 IN NS ns2.dns.ne.jp.
javaroad.jp.		30 IN NS ns1.dns.ne.jp.