shell:$ nslookup -timeout=2 -retry=1 'www.w3.org'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
Name: www.w3.org
Address: 104.18.22.19
Name: www.w3.org
Address: 104.18.23.19
Name: www.w3.org
Address: 2606:4700::6812:1613
Name: www.w3.org
Address: 2606:4700::6812:1713
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