shell:$ nslookup -timeout=2 -retry=1 'imgcache.qq.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
imgcache.qq.com	canonical name = luna-imgcache.qq.com.tcdn.qq.com.
luna-imgcache.qq.com.tcdn.qq.com	canonical name = imgcache.qq.com.sched.legopic1.tdnsv6.com.
Name:	imgcache.qq.com.sched.legopic1.tdnsv6.com
Address: 221.204.15.61