shell:$ nslookup -timeout=2 -retry=1 'adservice.google.co.vi'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
adservice.google.co.vi	canonical name = pagead46.l.doubleclick.net.
Name:	pagead46.l.doubleclick.net
Address: 142.251.32.2
Name:	pagead46.l.doubleclick.net
Address: 2607:f8b0:4009:81c::2002