shell:$ nslookup -timeout=2 -retry=1 'cdn.doubleverify.com'
Server:		75.98.161.224
Address:	75.98.161.224#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: 23.212.239.200
Name:	a1241.dsct.akamai.net
Address: 23.212.239.213
Name:	a1241.dsct.akamai.net
Address: 2600:1405:d400:11::17c7:360d
Name:	a1241.dsct.akamai.net
Address: 2600:1405:d400:11::17c7:3605