shell:$ nslookup -timeout=2 -retry=1 'perfops1.b-cdn.net' Server: 75.98.161.224 Address: 75.98.161.224#53 Non-authoritative answer: Name: perfops1.b-cdn.net Address: 143.244.60.195 Name: perfops1.b-cdn.net Address: 2400:52e0:1a00::1347:1