top.sh.			30 IN SOA ns5000.01isp.com. admin.now.cn. (
				2025021901 ; serial
				7200       ; refresh (2 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

top.sh.			30 IN TXT "v=spf1 include:speedmail.cn -all"

top.sh.			30 IN A	107.150.99.145

Mail exchangers:
top.sh.			30 IN MX 5 mxn.mxhichina.com.
top.sh.			30 IN MX 10 mxw.mxhichina.com.

Name servers:
top.sh.			30 IN NS ns5000.01isp.com.
top.sh.			30 IN NS ns5001.01isp.cn.
top.sh.			30 IN NS ns5002.01isp.net.