yhb2b.com.		30 IN SOA dns31.hichina.com. hostmaster.hichina.com. (
				2024121713 ; serial
				3600       ; refresh (1 hour)
				1200       ; retry (20 minutes)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)

yhb2b.com.		30 IN A	39.98.168.139

Mail exchangers:
yhb2b.com.		30 IN MX 10 mail.yhb2b.com.

Name servers:
yhb2b.com.		30 IN NS dns32.hichina.com.
yhb2b.com.		30 IN NS dns31.hichina.com.