shell:$ nslookup -timeout=2 -retry=1 'callondoc.com'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
Name: callondoc.com
Address: 172.66.172.92
Name: callondoc.com
Address: 104.20.30.198
Name: callondoc.com
Address: 2606:4700:10::6814:1ec6
Name: callondoc.com
Address: 2606:4700:10::ac42:ac5c
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