pdon.cn.		30 IN SOA ns2.east.net.cn. root.ns2.east.net.cn. (
				2020042301 ; serial
				3600       ; refresh (1 hour)
				600        ; retry (10 minutes)
				1209600    ; expire (2 weeks)
				3600       ; minimum (1 hour)
				)

pdon.cn.		30 IN TXT "v=spf1 include:spf.263.net -all"

pdon.cn.		30 IN A	47.93.103.197

Mail exchangers:
pdon.cn.		30 IN MX 5 mxw.263.net.
pdon.cn.		30 IN MX 10 mx.263.net.