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: 43.174.14.128
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.27.230
Name:	www.vivo.com.eo.dnse0.com
Address: 43.152.43.141
Name:	www.vivo.com.eo.dnse0.com
Address: 43.152.2.128
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.27.157
Name:	www.vivo.com.eo.dnse0.com
Address: 43.175.140.90
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.175.43
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.27.229
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.15.134
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.27.225
Name:	www.vivo.com.eo.dnse0.com
Address: 43.152.43.140
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.27.241
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.51.193
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.27.159
Name:	www.vivo.com.eo.dnse0.com
Address: 43.174.27.233