shell:$ nslookup -timeout=2 -retry=1 'who.cloudflareaccess.com'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
Name: who.cloudflareaccess.com
Address: 104.19.194.29
Name: who.cloudflareaccess.com
Address: 104.19.195.29
Name: who.cloudflareaccess.com
Address: 2606:4700:300a::6813:c31d
Name: who.cloudflareaccess.com
Address: 2606:4700:300a::6813:c21d
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