shell:$ nslookup -timeout=2 -retry=1 'a1540.na.akamai.net'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	a1540.na.akamai.net
Address: 23.205.106.157
Name:	a1540.na.akamai.net
Address: 23.205.106.184