r-51.com.		30 IN SOA master.dns.ne.jp. tech.sakura.ad.jp. (
				2004111411 ; serial
				3600       ; refresh (1 hour)
				900        ; retry (15 minutes)
				3600000    ; expire (5 weeks 6 days 16 hours)
				3600       ; minimum (1 hour)
				)

r-51.com.		30 IN A	202.181.99.26

Mail exchangers:
r-51.com.		30 IN MX 10 r-51.com.

Name servers:
r-51.com.		30 IN NS ns1.dns.ne.jp.
r-51.com.		30 IN NS ns2.dns.ne.jp.