yongjin.net.		30 IN SOA ns1.mydyndns.org. zone-admin.dyndns.com. (
				2007072290 ; serial
				10800      ; refresh (3 hours)
				1800       ; retry (30 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

yongjin.net.		30 IN A	50.34.41.139

Mail exchangers:
yongjin.net.		30 IN MX 20 mail2.yongjin.net.
yongjin.net.		30 IN MX 10 mail.yongjin.net.

Name servers:
yongjin.net.		30 IN NS ns1170.dns.dyn.com.
yongjin.net.		30 IN NS ns2130.dns.dyn.com.
yongjin.net.		30 IN NS ns3147.dns.dyn.com.
yongjin.net.		30 IN NS ns4187.dns.dyn.com.