shell:$ nslookup -timeout=2 -retry=1 'demo.bigbluebutton.org'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	demo.bigbluebutton.org
Address: 3.162.3.16
Name:	demo.bigbluebutton.org
Address: 3.162.3.129
Name:	demo.bigbluebutton.org
Address: 3.162.3.17
Name:	demo.bigbluebutton.org
Address: 3.162.3.47