shell:$ nslookup -timeout=2 -retry=1 'trust.udemy.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
trust.udemy.com	canonical name = udemy.portals.safebase.io.
Name:	udemy.portals.safebase.io
Address: 104.18.5.130
Name:	udemy.portals.safebase.io
Address: 104.18.4.130
Name:	udemy.portals.safebase.io
Address: 2606:4700::6812:582
Name:	udemy.portals.safebase.io
Address: 2606:4700::6812:482