239au.cn.		30 IN SOA ns1.domainnamedns.com. support.namens.net. (
				1757512812 ; serial
				86400      ; refresh (1 day)
				1800       ; retry (30 minutes)
				1209600    ; expire (2 weeks)
				180        ; minimum (3 minutes)
				)

Name servers:
239au.cn.		30 IN NS ns2.domainnamedns.com.
239au.cn.		30 IN NS ns4.domainnamedns.com.
239au.cn.		30 IN NS ns1.domainnamedns.com.
239au.cn.		30 IN NS ns3.domainnamedns.com.