shell:$ nslookup -timeout=2 -retry=1 'a1818.dscw154.akamai.net'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	a1818.dscw154.akamai.net
Address: 23.222.17.148
Name:	a1818.dscw154.akamai.net
Address: 23.222.17.144
Name:	a1818.dscw154.akamai.net
Address: 2600:140a:5000:3::17df:11d0
Name:	a1818.dscw154.akamai.net
Address: 2600:140a:5000:3::17df:11d3