shell:$ nslookup -timeout=2 -retry=1 'learn.dropbox.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	learn.dropbox.com
Address: 18.154.227.48
Name:	learn.dropbox.com
Address: 18.154.227.14
Name:	learn.dropbox.com
Address: 18.154.227.46
Name:	learn.dropbox.com
Address: 18.154.227.115