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: 3.92.14.177
Name:	utility.arcgisonline.com
Address: 52.206.41.44
Name:	utility.arcgisonline.com
Address: 54.227.211.30