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

Non-authoritative answer:
y.qq.com	canonical name = y.qq.com.tc.qq.com.
y.qq.com.tc.qq.com	canonical name = y.qq.com.mid.tdnsv6.com.
y.qq.com.mid.tdnsv6.com	canonical name = y.qq.com.sched.legopic1-dk.tdnsv6.com.
Name:	y.qq.com.sched.legopic1-dk.tdnsv6.com
Address: 124.95.136.134
Name:	y.qq.com.sched.legopic1-dk.tdnsv6.com
Address: 2408:872f:700:100::13
Name:	y.qq.com.sched.legopic1-dk.tdnsv6.com
Address: 2408:872f:700:100::12
Name:	y.qq.com.sched.legopic1-dk.tdnsv6.com
Address: 2408:8720:800:514:5e::9