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: 52.92.152.155
Name:	learn.ac
Address: 52.92.211.163
Name:	learn.ac
Address: 52.92.131.155
Name:	learn.ac
Address: 3.5.80.130
Name:	learn.ac
Address: 52.92.165.67
Name:	learn.ac
Address: 52.218.252.194
Name:	learn.ac
Address: 52.92.206.187
Name:	learn.ac
Address: 52.92.137.67