tcrdclock.cn.b2b168.com. 10 IN SOA . mail.jiasule.net. (
				1          ; serial
				600        ; refresh (10 minutes)
				180        ; retry (3 minutes)
				1209600    ; expire (2 weeks)
				180        ; minimum (3 minutes)
				)

tcrdclock.cn.b2b168.com. 30 IN A 111.62.149.106
tcrdclock.cn.b2b168.com. 30 IN A 116.211.128.156

Name servers:
tcrdclock.cn.b2b168.com. 30 IN NS ns1.jiasule.net.
tcrdclock.cn.b2b168.com. 30 IN NS ns2.365cyd.net.
tcrdclock.cn.b2b168.com. 30 IN NS ns2.jiasule.net.
tcrdclock.cn.b2b168.com. 30 IN NS ns1.365cyd.net.
tcrdclock.cn.b2b168.com. 30 IN NS ns1.kangdns.com.
tcrdclock.cn.b2b168.com. 30 IN NS ns2.kangdns.com.