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

Non-authoritative answer:
Name:	learn.ac
Address: 52.92.229.91
Name:	learn.ac
Address: 52.218.178.179
Name:	learn.ac
Address: 52.92.212.195
Name:	learn.ac
Address: 52.92.131.163
Name:	learn.ac
Address: 3.5.81.15
Name:	learn.ac
Address: 52.218.236.226
Name:	learn.ac
Address: 52.92.133.235
Name:	learn.ac
Address: 52.92.203.115