shell:$ nslookup -timeout=2 -retry=1 'receiver.sg.tdm.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:
Name:	receiver.sg.tdm.qq.com
Address: 150.109.28.183
Name:	receiver.sg.tdm.qq.com
Address: 150.109.27.214