shell:$ nslookup -timeout=2 -retry=1 'learn.yello.co'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
learn.yello.co	canonical name = redirector.yello.co.
Name:	redirector.yello.co
Address: 52.1.207.145
Name:	redirector.yello.co
Address: 54.164.124.166
Name:	redirector.yello.co
Address: 54.144.99.72
Name:	redirector.yello.co
Address: 54.161.217.204