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

Non-authoritative answer:
Name:	utility.arcgisonline.com
Address: 34.193.237.167
Name:	utility.arcgisonline.com
Address: 44.193.93.252
Name:	utility.arcgisonline.com
Address: 3.93.137.17