shell:$ nslookup -timeout=2 -retry=1 'searchguide.level3.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
searchguide.level3.com	canonical name = searchguide.level3.com.edgesuite.net.
searchguide.level3.com.edgesuite.net	canonical name = a755.b.akamai.net.
Name:	a755.b.akamai.net
Address: 23.223.17.172
Name:	a755.b.akamai.net
Address: 23.223.17.171