shell:$ nslookup -timeout=2 -retry=1 'speed.cloudflare.com'
Server: 75.98.161.224
Address: 75.98.161.224#53
Non-authoritative answer:
Name: speed.cloudflare.com
Address: 162.159.140.220
Name: speed.cloudflare.com
Address: 172.66.0.218
Name: speed.cloudflare.com
Address: 2606:4700:7::da
Name: speed.cloudflare.com
Address: 2a06:98c1:58::da
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