shell:$ nslookup -timeout=2 -retry=1 'learn.ac'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	learn.ac
Address: 52.92.186.11
Name:	learn.ac
Address: 52.92.147.203
Name:	learn.ac
Address: 52.218.185.234
Name:	learn.ac
Address: 3.5.76.249
Name:	learn.ac
Address: 52.92.152.99
Name:	learn.ac
Address: 52.92.153.43
Name:	learn.ac
Address: 52.92.131.163
Name:	learn.ac
Address: 52.92.130.115