shell:$ nslookup -timeout=2 -retry=1 'infom.udemy.com'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
infom.udemy.com canonical name = mkto-sj080109.com.
Name: mkto-sj080109.com
Address: 104.17.70.206
Name: mkto-sj080109.com
Address: 104.17.73.206
Name: mkto-sj080109.com
Address: 104.17.71.206
Name: mkto-sj080109.com
Address: 104.17.72.206
Name: mkto-sj080109.com
Address: 104.17.74.206
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