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

Non-authoritative answer:
img.viewpiccdn.com	canonical name = img-viewpiccdn-com-idvp9xv.qiniudns.com.
img-viewpiccdn-com-idvp9xv.qiniudns.com	canonical name = img-viewpiccdn-com.v4.cdn.cn-line.qiniudns.com.
Name:	img-viewpiccdn-com.v4.cdn.cn-line.qiniudns.com
Address: 104.17.200.40
Name:	img-viewpiccdn-com.v4.cdn.cn-line.qiniudns.com
Address: 104.17.199.40