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

Non-authoritative answer:
www.tencent.com	canonical name = www.tencent.com.eo.dnse5.com.
Name:	www.tencent.com.eo.dnse5.com
Address: 43.152.182.46