helloworldd.com.	30 IN SOA a.dnspod.com. domainadmin.dnspod.com. (
				1749828711 ; serial
				3600       ; refresh (1 hour)
				180        ; retry (3 minutes)
				1209600    ; expire (2 weeks)
				180        ; minimum (3 minutes)
				)

helloworldd.com.	30 IN A	47.86.102.150

Name servers:
helloworldd.com.	30 IN NS b.dnspod.com.
helloworldd.com.	30 IN NS c.dnspod.com.
helloworldd.com.	30 IN NS a.dnspod.com.