rosschem.com.		30 IN SOA ns1.alidns.com. hostmaster.hichina.com. (
				2024090213 ; serial
				3600       ; refresh (1 hour)
				1200       ; retry (20 minutes)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)

rosschem.com.		30 IN A	47.254.66.160

Mail exchangers:
rosschem.com.		30 IN MX 10 mx.ym.163.com.

Name servers:
rosschem.com.		30 IN NS ns2.alidns.com.
rosschem.com.		30 IN NS ns1.alidns.com.