shell:$ nslookup -timeout=2 -retry=1 'api.airtel.3g.net' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: api.airtel.3g.net Address: 76.223.54.146 Name: api.airtel.3g.net Address: 13.248.169.48