shell:$ nslookup -timeout=2 -retry=1 'opengraph.b-cdn.net' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: Name: opengraph.b-cdn.net Address: 143.244.60.193 Name: opengraph.b-cdn.net Address: 2400:52e0:1a00::1236:1