shell:$ nslookup -timeout=2 -retry=1 'www.le.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
www.le.com	canonical name = www-le-com-idvl82h.qiniudns.com.
www-le-com-idvl82h.qiniudns.com	canonical name = tiny.china.qiniu.com.trpcdn.net.
tiny.china.qiniu.com.trpcdn.net	canonical name = zqnweb.v.trpcdn.net.
Name:	zqnweb.v.trpcdn.net
Address: 125.73.212.157
Name:	zqnweb.v.trpcdn.net
Address: 125.73.212.158
Name:	zqnweb.v.trpcdn.net
Address: 125.73.212.155
Name:	zqnweb.v.trpcdn.net
Address: 125.73.212.159
Name:	zqnweb.v.trpcdn.net
Address: 125.73.212.156