yfbs.net.		30 IN SOA ens11.bigwww.com. hostmaster.hichina.com. (
				2026011209 ; serial
				3600       ; refresh (1 hour)
				1200       ; retry (20 minutes)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)

yfbs.net.		30 IN A	39.97.72.60

Name servers:
yfbs.net.		30 IN NS ens12.bigwww.com.
yfbs.net.		30 IN NS ens11.bigwww.com.