frj.cn.			599 IN SOA ns3.dns.com. admin.dns.com. (
				1546510466 ; serial
				7200       ; refresh (2 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				1800       ; minimum (30 minutes)
				)

frj.cn.			3599 IN	TXT "v=spf1 include:spf.mail.qq.com ~all"

frj.cn.			3599 IN	A 115.28.161.181

Mail exchangers:
frj.cn.			599 IN MX 5 mxbiz1.qq.com.
frj.cn.			599 IN MX 10 mxbiz2.qq.com.

Name servers:
frj.cn.			21599 IN NS ns3.dns.com.
frj.cn.			21599 IN NS ns4.dns.com.