shell:$ nslookup -timeout=2 -retry=1 'ns9.dynu.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	ns9.dynu.com
Address: 45.118.133.11
Name:	ns9.dynu.com
Address: 2400:8901::f03c:93ff:feed:6cc2