shell:$ nslookup -timeout=2 -retry=1 'www.cogentco.com'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
www.cogentco.com canonical name = cogentco.com.
Name: cogentco.com
Address: 38.100.128.10
Name: cogentco.com
Address: 2001:550:1::cc01
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38.100.128.10