biznav.cn.		30 IN SOA dns5.hichina.com. hostmaster.hichina.com. (
				2024042814 ; serial
				3600       ; refresh (1 hour)
				1200       ; retry (20 minutes)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)

biznav.cn.		30 IN A	222.73.178.251

Mail exchangers:
biznav.cn.		30 IN MX 5 mail.biznav.cn.

Name servers:
biznav.cn.		30 IN NS dns6.hichina.com.
biznav.cn.		30 IN NS dns5.hichina.com.