shell:$ nslookup -timeout=2 -retry=1 'support.khanacademy.org'
Server: 75.98.161.224
Address: 75.98.161.224#53
Non-authoritative answer:
support.khanacademy.org canonical name = khanacademy.zendesk.com.
Name: khanacademy.zendesk.com
Address: 216.198.53.6
Name: khanacademy.zendesk.com
Address: 216.198.54.6
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