shell:$ nslookup -timeout=2 -retry=1 'utility.arcgisonline.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	utility.arcgisonline.com
Address: 98.91.83.6
Name:	utility.arcgisonline.com
Address: 44.217.33.84
Name:	utility.arcgisonline.com
Address: 34.236.234.131