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

Non-authoritative answer:
www.vivo.com	canonical name = www.vivo.com.eo.unicomcdn.com.cn.
www.vivo.com.eo.unicomcdn.com.cn	canonical name = www.vivo.com.eo.dnse0.com.
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.175.43
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.109.143
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.109.112
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.15.134
Name:	www.vivo.com.eo.dnse0.com
Address: 43.152.2.128
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.109.157
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.109.102
Name:	www.vivo.com.eo.dnse0.com
Address: 43.152.23.214
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.14.128
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.27.230
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.27.157
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.109.74
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.102.58
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.109.105
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.109.144