shell:$ nslookup -timeout=2 -retry=1 'y.qq.com'
;; communications error to 75.98.161.224#53: timed out
Server:		69.39.86.5
Address:	69.39.86.5#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: 203.205.137.184
Name:	y.qq.com.sched.legopic1-dk.tdnsv6.com
Address: 2408:873c:8810:3:38::3
Name:	y.qq.com.sched.legopic1-dk.tdnsv6.com
Address: 2408:8752:e00:135:5e::29