shell:$ nslookup -timeout=2 -retry=1 'ns-749.awsdns-29.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	ns-749.awsdns-29.net
Address: 205.251.194.237
Name:	ns-749.awsdns-29.net
Address: 2600:9000:5302:ed00::1