0435.net.cn.		30 IN SOA ns5000.01isp.com. admin.now.cn. (
				2023021502 ; serial
				7200       ; refresh (2 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

0435.net.cn.		30 IN TXT "v=spf1 include:speedmail.cn -all"

Mail exchangers:
0435.net.cn.		30 IN MX 10 mx601.now.net.cn.

Name servers:
0435.net.cn.		30 IN NS 2666.tpddns.cn.