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

Non-authoritative answer:
cdn.doubleverify.com	canonical name = cdn.doubleverify.com.edgesuite.net.
cdn.doubleverify.com.edgesuite.net	canonical name = a1241.dsct.akamai.net.
Name:	a1241.dsct.akamai.net
Address: 23.223.17.176
Name:	a1241.dsct.akamai.net
Address: 23.223.17.164
Name:	a1241.dsct.akamai.net
Address: 2600:140a:5000:1b::210:aad5
Name:	a1241.dsct.akamai.net
Address: 2600:140a:5000:1b::210:aadb