shell:$ nslookup -timeout=2 -retry=1 'ads.g.doubleclik.net'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	ads.g.doubleclik.net
Address: 172.237.146.39
Name:	ads.g.doubleclik.net
Address: 172.237.146.18
Name:	ads.g.doubleclik.net
Address: 172.237.146.46