targetlocked.xyz.	30 IN SOA v1s1.xundns.com. nsadmin.xundns.com. (
				21236      ; serial
				3600       ; refresh (1 hour)
				600        ; retry (10 minutes)
				604800     ; expire (1 week)
				600        ; minimum (10 minutes)
				)

targetlocked.xyz.	30 IN TXT "_acme-challenge"

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

Name servers:
targetlocked.xyz.	30 IN NS v1s2.xundns.com.
targetlocked.xyz.	30 IN NS v1s1.xundns.com.