5idx.cn.		30 IN SOA ns11.bigwww.com. hostmaster.hichina.com. (
				2024072214 ; serial
				3600       ; refresh (1 hour)
				1200       ; retry (20 minutes)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)

Name servers:
5idx.cn.		30 IN NS ns11.bigwww.com.
5idx.cn.		30 IN NS ns12.bigwww.com.