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

Non-authoritative answer:
Name:	rtb.adstanding.com
Address: 54.86.15.241
Name:	rtb.adstanding.com
Address: 52.72.252.138