shell:$ nslookup -timeout=2 -retry=1 'ns-907.awsdns-49.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	ns-907.awsdns-49.net
Address: 205.251.195.139
Name:	ns-907.awsdns-49.net
Address: 2600:9000:5303:8b00::1