shell:$ nslookup -timeout=2 -retry=1 'mafengwo.cn'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
mafengwo.cn	canonical name = gtm-cn-6ja1oiz5802.mafengwo.cn.
gtm-cn-6ja1oiz5802.mafengwo.cn	canonical name = 2zzfxjl0pc2k.mafengwo.cn.eo.dnse1.com.
Name:	2zzfxjl0pc2k.mafengwo.cn.eo.dnse1.com
Address: 43.159.95.58