yyyww.com.		30 IN SOA ns19.xincache.com. enterprise1dnsadmin.dnspod.com. (
				1634994222 ; serial
				3600       ; refresh (1 hour)
				180        ; retry (3 minutes)
				1209600    ; expire (2 weeks)
				180        ; minimum (3 minutes)
				)

yyyww.com.		30 IN TXT "v=spf1 include:spf.mail.qq.com ~all"

yyyww.com.		30 IN A	121.40.52.157

Mail exchangers:
yyyww.com.		30 IN MX 10 mxdomain.qq.com.

Name servers:
yyyww.com.		30 IN NS ns19.xincache.com.
yyyww.com.		30 IN NS ns20.xincache.com.