shell:$ nslookup -timeout=2 -retry=1 'ads.pubmatic.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
ads.pubmatic.com	canonical name = pubmatic.edgekey.net.
pubmatic.edgekey.net	canonical name = e6603.g.akamaiedge.net.
Name:	e6603.g.akamaiedge.net
Address: 23.222.21.44