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

Non-authoritative answer:
Name:	adxproofcheck.com
Address: 104.21.10.71
Name:	adxproofcheck.com
Address: 172.67.144.229
Name:	adxproofcheck.com
Address: 2606:4700:3030::ac43:90e5
Name:	adxproofcheck.com
Address: 2606:4700:3037::6815:a47