shell:$ nslookup -timeout=2 -retry=1 'www.zap.vivo.com' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: www.zap.vivo.com canonical name = slb-exvivoportal-web.vivo.com. Name: slb-exvivoportal-web.vivo.com Address: 156.59.238.29