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

Non-authoritative answer:
Name:	utility.arcgisonline.com
Address: 98.94.184.67
Name:	utility.arcgisonline.com
Address: 100.63.136.23
Name:	utility.arcgisonline.com
Address: 100.58.76.244