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: 52.92.184.163
Name:	learn.ac
Address: 52.218.170.67
Name:	learn.ac
Address: 52.218.185.90
Name:	learn.ac
Address: 52.92.129.163
Name:	learn.ac
Address: 52.92.236.75
Name:	learn.ac
Address: 52.92.184.211
Name:	learn.ac
Address: 52.218.221.10
Name:	learn.ac
Address: 52.92.154.115