nthb.cn.		30 IN SOA bill.dnspod.net. freednsadmin.dnspod.com. (
				1731987920 ; serial
				3600       ; refresh (1 hour)
				180        ; retry (3 minutes)
				1209600    ; expire (2 weeks)
				180        ; minimum (3 minutes)
				)
nthb.cn.		30 IN CNAME 22.swnic.com.
nthb.cn.		30 IN CNAME 22.swnic.com.

22.swnic.com.		30 IN A	47.243.64.211
nthb.cn.		30 IN CNAME 22.swnic.com.

Name servers:
nthb.cn.		30 IN NS victory.dnspod.net.
nthb.cn.		30 IN NS bill.dnspod.net.