trtr.cn.		30 IN SOA alive.dnspod.net. freednsadmin.dnspod.com. (
				1712803447 ; serial
				3600       ; refresh (1 hour)
				180        ; retry (3 minutes)
				1209600    ; expire (2 weeks)
				180        ; minimum (3 minutes)
				)

trtr.cn.		30 IN A	119.23.50.72

Mail exchangers:
trtr.cn.		30 IN MX 10 mx2.dns.com.cn.

Name servers:
trtr.cn.		30 IN NS alive.dnspod.net.
trtr.cn.		30 IN NS weak.dnspod.net.