6123456.com.cn.		30 IN SOA dns15.hichina.com. hostmaster.hichina.com. (
				2024042409 ; serial
				3600       ; refresh (1 hour)
				1200       ; retry (20 minutes)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)
6123456.com.cn.		30 IN CNAME www.baidu.com.
www.baidu.com.		30 IN CNAME www.a.shifen.com.
www.a.shifen.com.	30 IN CNAME www.wshifen.com.

www.wshifen.com.	30 IN A	103.235.46.40
6123456.com.cn.		30 IN CNAME www.baidu.com.
www.baidu.com.		30 IN CNAME www.a.shifen.com.
www.a.shifen.com.	29 IN CNAME www.wshifen.com.

Name servers:
6123456.com.cn.		30 IN NS dns15.hichina.com.
6123456.com.cn.		30 IN NS dns16.hichina.com.