shell:$ nslookup -timeout=2 -retry=1 '100.xxx.xxx.xxx'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	100.xxx.xxx.xxx
Address: 141.193.213.11
Name:	100.xxx.xxx.xxx
Address: 141.193.213.10