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

Non-authoritative answer:
Name:	jpmorgan-callback.coinbase.com
Address: 54.197.237.55
Name:	jpmorgan-callback.coinbase.com
Address: 3.232.181.162
Name:	jpmorgan-callback.coinbase.com
Address: 3.94.219.244
Name:	jpmorgan-callback.coinbase.com
Address: 3.225.164.23
Name:	jpmorgan-callback.coinbase.com
Address: 54.146.173.231
Name:	jpmorgan-callback.coinbase.com
Address: 54.167.54.45