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

Non-authoritative answer:
xw.qq.com	canonical name = xw.qq.com.eo.dnse2.com.
Name:	xw.qq.com.eo.dnse2.com
Address: 43.159.109.55
Name:	xw.qq.com.eo.dnse2.com
Address: 240d:c010:74:1::51