shell:$ nslookup -timeout=2 -retry=1 'ns-949.awsdns-54.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	ns-949.awsdns-54.net
Address: 205.251.195.181
Name:	ns-949.awsdns-54.net
Address: 2600:9000:5303:b500::1