shell:$ nslookup -timeout=2 -retry=1 'hscdn.flv.wxqcloud.qq.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
hscdn.flv.wxqcloud.qq.com	canonical name = hscdn.flv.wxqcloud.qq.com.c.volcfcdndvs.com.
hscdn.flv.wxqcloud.qq.com.c.volcfcdndvs.com	canonical name = pull-csig-sph.s.volcfcdndvs.com.
Name:	pull-csig-sph.s.volcfcdndvs.com
Address: 128.14.206.165
Name:	pull-csig-sph.s.volcfcdndvs.com
Address: 2604:980:1008:2003::5