shell:$ nslookup -timeout=2 -retry=1 'events-dra.op.dbankcloud.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
events-dra.op.dbankcloud.com	canonical name = events-dra-op-dbankcloud-com-dra.appacc.dbankedge.cn.
events-dra-op-dbankcloud-com-dra.appacc.dbankedge.cn	canonical name = dxzc1o98vrjl6.cloudfront.net.
Name:	dxzc1o98vrjl6.cloudfront.net
Address: 52.85.12.14
Name:	dxzc1o98vrjl6.cloudfront.net
Address: 52.85.12.122
Name:	dxzc1o98vrjl6.cloudfront.net
Address: 52.85.12.66
Name:	dxzc1o98vrjl6.cloudfront.net
Address: 52.85.12.3