shell:$ nslookup -timeout=2 -retry=1 'testbook.com'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
Name: testbook.com
Address: 104.20.17.199
Name: testbook.com
Address: 172.66.145.178
Name: testbook.com
Address: 2606:4700:10::ac42:91b2
Name: testbook.com
Address: 2606:4700:10::6814:11c7
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