shell:$ nslookup -timeout=2 -retry=1 'concentra.com'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
Name: concentra.com
Address: 104.17.255.171
Name: concentra.com
Address: 104.16.208.219
Name: concentra.com
Address: 2606:4700::6811:ffab
Name: concentra.com
Address: 2606:4700::6810:d0db
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