shell:$ nslookup -timeout=2 -retry=1 'm.flash.cn'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
m.flash.cn	canonical name = m-flash-cn-1256525507.cos-website.ap-shanghai.myqcloud.com.
m-flash-cn-1256525507.cos-website.ap-shanghai.myqcloud.com	canonical name = sh.file.myqcloud.com.
Name:	sh.file.myqcloud.com
Address: 117.68.20.85
Name:	sh.file.myqcloud.com
Address: 117.68.20.84