shell:$ nslookup -timeout=2 -retry=1 's.rocketdns.info'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	s.rocketdns.info
Address: 158.173.161.2
Name:	s.rocketdns.info
Address: 158.173.161.9
Name:	s.rocketdns.info
Address: 158.173.161.10
Name:	s.rocketdns.info
Address: 158.173.161.15